Manley Severe Duty Intake Valve - 2.300 in Head - 0.342 in Valve Stem - 5.494 in Long - Big Block Chevy - Set of 8 1969992 5/16 Engine Plate

5/16 Engine Plate

The adjusters on these belts have improved mechanisms built in to provide a tight lock when tightened down which means no need to tighten your belts while driving anymore

Typical gains average of 15-20 horsepower

1964-1981 Pontiac Catalina

Acura / Honda 1997-15

Manley Severe Duty Intake Valve - 2.300 in Head - 0.342 in Valve Stem - 5.494 in Long - Big Block Chevy - Set of 8 1969992 5/16 Engine PlateProduct Description: Intake Valve Severe Duty 2. 300 in Head 0. 342 in Valve Stem 5. 494 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