Manley Severe Duty Exhaust Valve - 1.600 in Head - 0.342 in Valve Stem - 5.465 in Long - Small Block Chevy - Set of 8 H775CBFM 1987-1996 Chevrolet Blazer

1987-1996 Chevrolet Blazer

2015 Chevrolet Tahoe

1975-1976 Chevrolet El Camino

1964-1972 Buick Sportwagon

24 db NRR Passive Noise Attenuation

Manley Severe Duty Exhaust Valve - 1.600 in Head - 0.342 in Valve Stem - 5.465 in Long - Small Block Chevy - Set of 8 H775CBFM 1987-1996 Chevrolet BlazerSEVERE DUTY SERIES Superior Stainless for High Temperature Gasoline Engines Exhaust Material XH 428 with Double the Ultimate Tensile Strength ( at 1500 F ) over the competition Intake Material NK 844 with 1000 Times Better Fatigue Strength than competitors offerings 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