Quick view Details Manley Performance | sku: MAN11707-8 Manley Chevrolet Big Block 1.900in Head Dia. 5.422in O/A Length Race Series Exhaust Valves -Set of 8 - 11707-8 MSRP: $251.58 Now: $188.69 View Details Compare Quick view Details Manley Performance | sku: MAN12854-1 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve - Single - 12854-1 MSRP: $51.91 Now: $38.93 View Details Compare Quick view Details Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 MSRP: $415.30 Now: $311.48 View Details Compare Quick view Details Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $415.30 Now: $311.48 View Details Compare Quick view Details Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 MSRP: Now: $405.34 View Details Compare Quick view Details Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 View Details Compare Quick view Details Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11707-8 Manley Chevrolet Big Block 1.900in Head Dia. 5.422in O/A Length Race Series Exhaust Valves -Set of 8 - 11707-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12854-1 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve - Single - 12854-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN12854-1 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve - Single - 12854-1 MSRP: $51.91 Now: $38.93 View Details Compare Quick view Details Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 MSRP: $415.30 Now: $311.48 View Details Compare Quick view Details Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $415.30 Now: $311.48 View Details Compare Quick view Details Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 MSRP: Now: $405.34 View Details Compare Quick view Details Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 View Details Compare Quick view Details Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11707-8 Manley Chevrolet Big Block 1.900in Head Dia. 5.422in O/A Length Race Series Exhaust Valves -Set of 8 - 11707-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12854-1 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve - Single - 12854-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 MSRP: $415.30 Now: $311.48 View Details Compare Quick view Details Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $415.30 Now: $311.48 View Details Compare Quick view Details Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 MSRP: Now: $405.34 View Details Compare Quick view Details Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 View Details Compare Quick view Details Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11707-8 Manley Chevrolet Big Block 1.900in Head Dia. 5.422in O/A Length Race Series Exhaust Valves -Set of 8 - 11707-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12854-1 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve - Single - 12854-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 MSRP: $415.30 Now: $311.48 View Details Compare Quick view Details Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 MSRP: Now: $405.34 View Details Compare Quick view Details Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 View Details Compare Quick view Details Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11707-8 Manley Chevrolet Big Block 1.900in Head Dia. 5.422in O/A Length Race Series Exhaust Valves -Set of 8 - 11707-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12854-1 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve - Single - 12854-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 MSRP: Now: $405.34 View Details Compare Quick view Details Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 View Details Compare Quick view Details Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11707-8 Manley Chevrolet Big Block 1.900in Head Dia. 5.422in O/A Length Race Series Exhaust Valves -Set of 8 - 11707-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12854-1 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve - Single - 12854-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 MSRP: Now: $405.34 View Details Compare Quick view Details Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 View Details Compare Quick view Details Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11707-8 Manley Chevrolet Big Block 1.900in Head Dia. 5.422in O/A Length Race Series Exhaust Valves -Set of 8 - 11707-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12854-1 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve - Single - 12854-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 MSRP: Now: $405.34 View Details Compare Quick view Details Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 View Details Compare Quick view Details Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11707-8 Manley Chevrolet Big Block 1.900in Head Dia. 5.422in O/A Length Race Series Exhaust Valves -Set of 8 - 11707-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12854-1 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve - Single - 12854-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 MSRP: Now: $405.34 View Details Compare Quick view Details Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 View Details Compare Quick view Details Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11707-8 Manley Chevrolet Big Block 1.900in Head Dia. 5.422in O/A Length Race Series Exhaust Valves -Set of 8 - 11707-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12854-1 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve - Single - 12854-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 MSRP: Now: $405.34 View Details Compare Quick view Details Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 View Details Compare Quick view Details Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11707-8 Manley Chevrolet Big Block 1.900in Head Dia. 5.422in O/A Length Race Series Exhaust Valves -Set of 8 - 11707-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12854-1 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve - Single - 12854-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Details Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 View Details Compare Quick view Details Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11707-8 Manley Chevrolet Big Block 1.900in Head Dia. 5.422in O/A Length Race Series Exhaust Valves -Set of 8 - 11707-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12854-1 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve - Single - 12854-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 MSRP: $251.58 Now: $188.69 View Details Compare Quick view Details Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11707-8 Manley Chevrolet Big Block 1.900in Head Dia. 5.422in O/A Length Race Series Exhaust Valves -Set of 8 - 11707-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12854-1 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve - Single - 12854-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Details Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11707-8 Manley Chevrolet Big Block 1.900in Head Dia. 5.422in O/A Length Race Series Exhaust Valves -Set of 8 - 11707-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12854-1 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve - Single - 12854-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11707-8 Manley Chevrolet Big Block 1.900in Head Dia. 5.422in O/A Length Race Series Exhaust Valves -Set of 8 - 11707-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12854-1 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve - Single - 12854-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN12854-1 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve - Single - 12854-1 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $51.91 Now: $38.93 View Details Compare Quick view Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN12854-8 Manley Chevrolet Big Block 2.300 Head Dia .5.494in Stem Severe Duty Intake Valve Kit - Set of 8 - 12854-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11878-8 Manley Chevrolet Big Block 2.300 Head, .3415 Stem, .350 Longer Severe Duty Valves (Set of 8) - 11878-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $415.30 Now: $311.48 View Details Compare Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11551-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11551-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11785-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.600in Head Dia. 5.221in O/A Length, 0.3415in Stem - 11785-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11557-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.625in Head Dia. 4.921in O/A Length, 0.3415in Stem - 11557-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11553-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.720in Head Dia. 5.354in O/A Length, 0.3715in Stem - 11553-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11835-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.374in O/A Length, 0.3715in Stem - 11835-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: Now: $405.34 View Details Compare Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN11519-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.725in Head Dia. 5.464in O/A Length, 0.3715in Stem - 11519-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected × OK
Quick view Manley Performance | sku: MAN12341-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12341-8 Manley?s Race Series valves are meticulously engineered to meet the rigorous demands of bracket, drag, and oval track racers and are the ultimate choice for engines operating under 8000 RPM MSRP: $251.58 Now: $188.69 View Details Compare Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected
Quick view Manley Performance | sku: MAN12343-8 Manley Chevrolet Big Block Exhaust Valve Kit - 1.800in Head Dia. 5.930in O/A Length, 0.3415in Stem - 12343-8 Manley Severe Duty® Valves deliver the ultimate in strength, reliability, and high-performance durability. Engineered for extreme gasoline engine temperatures, these valves are crafted from exclusive materials (XH-428 for exhaust and NK-844 for intake),... MSRP: $401.42 Now: $301.07 View Details Compare Previous 9 10 11 12 13 14 15 16 17 18 19 Next Previous 9 10 11 12 13 14 15 16 17 18 19 Next Compare Selected