Quick view Details Manley Performance | sku: MAN11870-8 Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11880-8 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 View Details Compare Quick view Details Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 MSRP: Now: $186.20 View Details Compare Quick view Details Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11870-8 Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11880-8 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $49.44 Now: $37.09 View Details Compare Quick view Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11880-8 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 View Details Compare Quick view Details Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 MSRP: Now: $186.20 View Details Compare Quick view Details Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11870-8 Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11880-8 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $49.44 Now: $37.09 View Details Compare Quick view Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 MSRP: $49.44 Now: $37.09 View Details Compare Quick view Details Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 MSRP: Now: $186.20 View Details Compare Quick view Details Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11870-8 Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11880-8 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $49.44 Now: $37.09 View Details Compare Quick view Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 MSRP: Now: $186.20 View Details Compare Quick view Details Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11870-8 Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11880-8 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $49.44 Now: $37.09 View Details Compare Quick view Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 MSRP: Now: $186.20 View Details Compare Quick view Details Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11870-8 Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11880-8 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $49.44 Now: $37.09 View Details Compare Quick view Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 MSRP: Now: $186.20 View Details Compare Quick view Details Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11870-8 Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11880-8 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $49.44 Now: $37.09 View Details Compare Quick view Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 MSRP: Now: $186.20 View Details Compare Quick view Details Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11870-8 Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11880-8 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $49.44 Now: $37.09 View Details Compare Quick view Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 MSRP: Now: $186.20 View Details Compare Quick view Details Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11870-8 Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11880-8 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $49.44 Now: $37.09 View Details Compare Quick view Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 MSRP: Now: $186.20 View Details Compare Quick view Details Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11870-8 Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11880-8 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $49.44 Now: $37.09 View Details Compare Quick view Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11870-8 Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11880-8 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $49.44 Now: $37.09 View Details Compare Quick view Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11870-8 Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11880-8 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $49.44 Now: $37.09 View Details Compare Quick view Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11870-8 Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11880-8 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $49.44 Now: $37.09 View Details Compare Quick view Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11870-8 Manley Big Block Chevy 2.300 Dia .250in Longer Race Master Intake Valves (Set of 8) - 11870-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11880-8 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $49.44 Now: $37.09 View Details Compare Quick view Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11880-8 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Set of 8 - 11880-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $49.44 Now: $37.09 View Details Compare Quick view Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11880-1 Manley Big Block Chevy 2.350in Diameter 0.350in Longer Length Extreme Duty Exhaust Valves - Single - 11880-1 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $49.44 Now: $37.09 View Details Compare Quick view Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11517-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Exhaust Valves (Set of 8) - 11517-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11514-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Race Flo Intake Valves (Set of 8) - 11514-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11520-8 Manley Big Block Chevy Stock 3/8in Stem Diameter Severe Duty Intake Valves (Set of 8) - 11520-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11591-8 Manley Big Block Ford 429-460 1.880in Diameter 5.655in Length Race Master Exhaust Valves (Set of 8) - 11591-8 Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems and hard tips are incorporated for enhanced longevity... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11590-8 Manley Big Block Ford 429-460 2.400in Diameter 5.725in Length Severe Duty Intake Valves (Set of 8) - 11590-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN12210HTB-1 Manley Brodix Big Block SR20 Titanium Intake Valve 2.400in Head Dia 6.035 Length - 12210HTB-1 Titanium Valves for Weight Reduction: Ideal for reducing valve train weight, improving engine efficiency, and enhancing overall performance.High-RPM Capabilities: Tailored for high-rpm and extended high-rpm applications, allowing for higher engine speeds... MSRP: Now: $186.20 View Details Compare Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11823-8 Manley Chevrolet 1.600 Dia Dish 5.026 O/A Length Severe Duty Exhaust Valves (Set of 8) - 11823-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11820-8 Manley Chevrolet 1.840 Dia Dish 5.140 O/A Length Severe Duty Intake Valves (Set of 8) - 11820-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected
Quick view Manley Performance | sku: MAN11826-8 Manley Chevrolet 2.020 Dia Dish 5.026 O/A Length Severe Duty Intake Valves (Set of 8) - 11826-8 Proven Fatigue Tests: The Severe Duty? Valves have undergone rigorous fatigue tests. In normal operation, valves experience 20,000 to 25,000 lbs of applied stress. When valves bounce on the seat, this stress soars to 40,000 to 60,000 lbs. Manley exhaust... MSRP: $382.30 Now: $286.72 View Details Compare Previous 229 230 231 232 233 234 235 236 237 238 239 Next Previous 229 230 231 232 233 234 235 236 237 238 239 Next Compare Selected