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 and for the first time

and for the first time on a Double Pumper

Aluminum cup for 5" spring features a 1/2" mounting hole for use with internal threaded jack bolts

1964-1981 Pontiac Catalina

1975-1991 GMC Jimmy

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 and for the first timeProduct 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