Long Tube Headers for 64-77 GM F/A Body 396-502 BBC 1-3/4in Primary D313 BrandTop 1 (mm) (Tensioner / Pulley):

1 (mm) (Tensioner / Pulley): 8

34/8 V 1968 - 1970 Dodge Coronet 500 4

Year Make Model Submodel Engine Size 1962-1965 Chevrolet Chevy II Base 6L/3

2L/L6 1982 - 1985 Jeep Scrambler 4

Long Tube Headers for 64-77 GM F/A Body 396-502 BBC 1-3/4in Primary D313 BrandTop 1 (mm) (Tensioner / Pulley):Overview: 64 77 GM F & A Body BBC Long Tube Silver Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market. This fitment is tailored for popular aftermarket engine swap kits. Doug's engine swap headers were developed to solve common fitment issues