Manley Severe Duty Intake Valve - 2.190 in Head - 0.372 in Valve Stem - 5.218 in Long - Big Block Chevy - Set of 8 RPM Pill 1-3/4 in Tube Mount

1-3/4 in Tube Mount

Airtight sealing allows the engine to pull greater vacuum for improved ring seal and power

Advanced phenolic compounds are specially formulated to reduce heat conductivity 10 times greater than aluminum

2001-2003 Chevrolet Silverado 1500 HD Fleetside 78

This regulator features Aeromotive's high-flow design

Manley Severe Duty Intake Valve - 2.190 in Head - 0.372 in Valve Stem - 5.218 in Long - Big Block Chevy - Set of 8 RPM Pill 1-3/4 in Tube MountProduct Description: Intake Valve Severe Duty 2. 190 in Head 0. 372 in Valve Stem 5. 218 in Long Stainless Big Block Chevy Set of 8 Manley Performance high performance and racing engine parts have been powering winners since 1966. Since our inception in March 1966, Manley Performance Products has been at the forefront of the high performance automotive industry. Founded by gearhead Hank Manley shortly after his graduation from Brown University, our