Mr. Gasket Advance & Retard Cam Bushing Kit - Chevy V-8 , Mopar "B" Block - Includes 2, 4, 6, 8, 0 Degree Bushings 32004P These LONG-TUBE headers fit GM's

These LONG-TUBE headers fit GM's 1958-1964 X-Frame vehicles equipped with a SB Chevy (Gen 1) engine

Ford-style solenoid

1955-1960 GMC Truck CID 283

042 " Hole Size Straight Type Includes 2 Gasket

the low gear set is in constant mesh

Mr. Gasket Advance & Retard Cam Bushing Kit - Chevy V-8 , Mopar "B" Block - Includes 2, 4, 6, 8, 0 Degree Bushings 32004P These LONG-TUBE headers fit GM'sBushings can be used to advance the cam for increased low end torque and mid range horsepower, or to reduce excessive low end torque and increase top end horsepower by retarding the cam. Kit includes four offset bushings and a 0 bushing, so stock timing Vehicle Applications: 1992 1995 Chevrolet K2500 Suburban 1968 1974 Dodge D300 Pickup 1975 1978 GMC G25 1979 1995 GMC C1500 1957 1957 Chevrolet Two Ten Series 1975 1995 Chevrolet G10 1975 1978 GMC K25