Manley Chevrolet Small Block Intake Valve Kit - 1.937in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11840-8

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 Intake Valve Kit - 2.325in Head Dia. 5.509in O/A Length, 0.3415in Stem - 11838-8

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 Chrysler Top Fuel Exhaust Valve Kit - 1.950in Head Dia. 5.020in O/A Length, 0.3715in Stem - 11837-8

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 Big Block Intake Valve Kit - 2.065in Head Dia. 5.218in O/A Length, 0.3720in Stem - 11836-8

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 - 1.725in 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...

Manley Chevrolet Big Block Intake Valve Kit - 2.190in Head Dia. 5.218in O/A Length, 0.3720in Stem - 11832-8

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 - 2.020in Head Dia. 4.911in O/A Length, 0.3415in Stem - 11830-8

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 429 Exhaust Valve Kit - 1.880in Head Dia. 5.070in O/A Length, 0.3415in Stem - 11829-8

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 - 2.055in Head Dia. 4.926in O/A Length, 0.3415in Stem - 11828-8

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 - 2.055in Head Dia. 5.011in O/A Length, 0.3415in Stem - 11824-8

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 Intake Valve Kit - 2.190in Head Dia. 5.344in O/A Length, 0.3415in Stem - 11822-8

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 - 2.080in Head Dia. 4.926in O/A Length, 0.3415in Stem - 11818-8

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...