Quick view Details Manley Performance | sku: MAN11860-8 Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 MSRP: $239.60 Now: $179.69 View Details Compare Quick view Details Manley Performance | sku: MAN11858-8 Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 MSRP: Now: $9,999.00 View Details Compare Quick view Details Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 MSRP: $382.30 Now: $286.72 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: MAN11860-8 Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 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... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11858-8 Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 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,... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11858-8 Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 MSRP: $395.52 Now: $296.64 View Details Compare Quick view Details Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 MSRP: Now: $9,999.00 View Details Compare Quick view Details Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 MSRP: $382.30 Now: $286.72 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: MAN11860-8 Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 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... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11858-8 Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 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,... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 MSRP: Now: $9,999.00 View Details Compare Quick view Details Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 MSRP: $382.30 Now: $286.72 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: MAN11860-8 Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 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... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11858-8 Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 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,... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 MSRP: Now: $9,999.00 View Details Compare Quick view Details Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 MSRP: $382.30 Now: $286.72 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: MAN11860-8 Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 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... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11858-8 Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 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,... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 MSRP: Now: $9,999.00 View Details Compare Quick view Details Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 MSRP: $382.30 Now: $286.72 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: MAN11860-8 Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 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... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11858-8 Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 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,... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 MSRP: Now: $9,999.00 View Details Compare Quick view Details Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 MSRP: $382.30 Now: $286.72 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: MAN11860-8 Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 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... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11858-8 Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 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,... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 MSRP: Now: $9,999.00 View Details Compare Quick view Details Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 MSRP: $382.30 Now: $286.72 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: MAN11860-8 Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 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... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11858-8 Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 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,... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 MSRP: Now: $9,999.00 View Details Compare Quick view Details Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 MSRP: $382.30 Now: $286.72 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: MAN11860-8 Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 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... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11858-8 Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 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,... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 MSRP: $382.30 Now: $286.72 View Details Compare Quick view Details Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 MSRP: Now: $9,999.00 View Details Compare Quick view Details Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 MSRP: $382.30 Now: $286.72 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: MAN11860-8 Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 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... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11858-8 Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 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,... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 MSRP: Now: $9,999.00 View Details Compare Quick view Details Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 MSRP: $382.30 Now: $286.72 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: MAN11860-8 Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 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... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11858-8 Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 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,... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 MSRP: $382.30 Now: $286.72 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: MAN11860-8 Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 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... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11858-8 Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 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,... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 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: MAN11860-8 Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 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... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11858-8 Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 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,... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11860-8 Manley Chevy Small Block 1.940 Dia Race Master Intake Valves (Set of 8) - 11860-8 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... MSRP: $239.60 Now: $179.69 View Details Compare Quick view Manley Performance | sku: MAN11858-8 Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 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,... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11858-8 Manley Severe Duty Series SBC Stainless Steel Exhaust Valves 2.080in Dia 5.140in L - Set of 8 - 11858-8 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,... MSRP: $395.52 Now: $296.64 View Details Compare Quick view Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11857-8 Manley Ford 351C 5.167 O/A Length 1.710 Dia Dish Severe Duty Exhaust Valves (Set of 8) - 11857-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11854-8 Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11853-8 Manley Severe Duty Series Small Block Chevy Stainless Steel 1.655in Exhaust Valves - Set of 8 - 11853-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11850-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 2.250in Dia 5.344in L - Set of 8 - 11850-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11844-8 Manley Chevy Small Block 2.080 Head Dia. .100 Longer .3415 Stem Severe Duty Intake Valves (8 pcs) - 11844-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11843-8 Manley Severe Duty Series BBC Stainless Steel Exhaust Valves 1.880in Dia 5.422in L - Set of 8 - 11843-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11842-8 Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8 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,... MSRP: $382.30 Now: $286.72 View Details Compare Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11831-8 Manley Chevrolet Big Block Severe Duty/Pro Flo 5.374in O/A Length Exhaust Valves (Set of 8) - 11831-8 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,... MSRP: Now: $9,999.00 View Details Compare Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11827-8 Manley SBC 1.600 Severe Duty Intake Valves (Set of 8) - 11827-8 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,... MSRP: $382.30 Now: $286.72 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 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,... MSRP: $382.30 Now: $286.72 View Details Compare Previous 169 170 171 172 173 174 175 176 177 178 179 Next Previous 169 170 171 172 173 174 175 176 177 178 179 Next Compare Selected