Manley Volkswagen 1.7L Type IV Exhaust Valve Kit - 36.00mm Head Dia. 4.606in O/A Length, 0.3130in - 11629-4

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 L-99 intake Valve Kit - 2.165in Head Dia. 4.900in O/A Length, 0.3133in Stem - 11620H-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 RPMThis Part...

Manley Ford 6.2L Raptor V8 intake Valve Kit - 54.50mm Head Dia. 5.424in O/A Length, 0.3122in Stem - 11612HB-8

Stainless Steel Construction: Both exhaust (XH-426) and intake (NK-842) valves are constructed from high-quality stainless steel for unparalleled durability.Chrome Stems and Hard Tips: Chrome stems...

Manley GM 6.6L Duramax Diesel Exhaust Valve Kit 1.300in Head Dia. 4.985in O/A Length, 0.2735in Stem - 11609-8

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...

Manley GM 6.6L Duramax Diesel Intake Valve Kit - 1.338in Head Dia. 4.985in O/A Length, 0.2740in Stem - 11608-8

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 Exhaust Valve Kit - 1.600in Head Dia. 5.015in O/A Length, 0.3415in Stem - 11599-8

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...

Manley Chevrolet Small Block Intake Valve Kit - 2.055in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11598-8

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...

Manley Chevrolet Big Block Exhaust Valve Kit - 1.900in Head Dia. 6.450in O/A Length, 0.3415in Stem - 11597-8

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...

Manley Chevrolet Small Block Intake Valve Kit - 2.100in Head Dia. 5.240in O/A Length, 0.3415in Stem - 11594-8

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 Big Block Exhaust Valve Kit - 1.900in Head Dia. 5.364in O/A Length, 0.3715in Stem - 11593-8

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...

Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11592-8

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...

Manley Ford 429intake Valve Kit - 2.300in Head Dia. 5.725in O/A Length, 0.3415in Stem - 11588-8

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...