Manley Severe Duty Intake Valve - 2.300 in Head - 0.342 in Valve Stem - 5.344 in Long - Big Block Chevy 42031R strong as steel but much

strong as steel but much lighter and corrosion-proof

Factory Outlet / Return

Manufactured from our proprietary ImpactMAX soft knit

Borgeson Mopar Conversion Box to GM Saginaw Steering Pumps

In some vehicle applications additional performance benefits are available at high RPM by underdriving the accessories (slowing them down)

Manley Severe Duty Intake Valve - 2.300 in Head - 0.342 in Valve Stem - 5.344 in Long - Big Block Chevy 42031R strong as steel but muchProduct Description: Intake Valve Severe Duty 2. 300 in Head 0. 342 in Valve Stem 5. 344 in Long Stainless Big Block Chevy Sold Individually 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