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 6 Volts minimum required for

6 Volts minimum required for starting and running

1987-1996 Chevrolet Blazer

1974-1974 Dodge D100 Pickup

Includes front duckbill to enhance aerodynamic performance

1975-1976 Chevrolet El Camino

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 6 Volts minimum required forSEVERE 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