Manley Chevrolet Small Block Intake Valve Kit - 2.200in Head Dia. 5.010in O/A Length, 0.3110in Stem - 12326-8

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

Manley Chevrolet Small Block Intake Valve Kit - 2.200in Head Dia. 5.110in O/A Length, 0.3110in Stem - 12328-8

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

Manley Chevrolet Small Block Severe Duty Exhaust Valves 1.500in Head Dia .3415in Stem - Set of 8 - 11747-8

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),...

Manley Chevy Big Block .100 Longer 11/32in Stem Dia Extreme Duty & Marine Intake Valves (Set of 8) - 11842-8

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),...

Manley Chevy Big Block .250 Longer 11/32in Stem Dia Severe Duty Intake Valves (Set of 8) - 11854-8

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),...

Manley Chevy Big Block 2.190in Head Dia 5.344in OAL 5 Deg. Dish Race Master Intake Valves (Set of 8) - 11894-8

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

Manley Chevy Big Block 5.6 OA Length Severe Duty Series Intake Valves - Set of 8 - 12340-8

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),...

Manley Chevy Big Block Chevy 1.880in Severe Duty Exhaust Valves - 12843-8

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),...

Manley Chevy Big Block Stock 3/8 inch Severe Duty Intake Valves (Set of 8) - 11562-8

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),...

Manley Chevy Big Block Street Flo Intake Valves 2.250in Head Dia - 10726-8

High-Quality Stainless Steel: Our Street Series valves, available as XH-424 for exhaust and NK-841 for intake, are crafted from top-grade stainless steel, ensuring durability and longevity.

Manley Chevy L-99 Severe Duty Series 2.165in Head Diameter Intake Valve (Single) - 12354H-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),...

Manley Chevy L83 5.3L 1.560in Head Diameter Pro Flo/Extreme Duty Exhaust Valves (Set of 8) - 12363-8

Discover the extraordinary capabilities of Manley Performance Products' Extreme Duty Series Valves. Engineered to cater to the demanding needs of Top Fuel and Funny Car drag racers, Big Block Chevy marine enthusiasts, and Small Block Chevy restricted...