Long Tube Headers for 55-57 Chevy 265-400 SBC 1-3/4in Primary D353 rol 7L V8 1977 - 1978

7L V8 1977 - 1978 Oldsmobile Delta 88   350/5

1969-1972 Ford F-100 302 CID

Supports up to 650hp naturally aspirated or 575hp on boost with four 100 lb/hr injectors

Year Make Model Submodel 1980-1986 GMC K1500 Suburban 1980-1993 GMC K2500 1988-1993 Chevrolet C1500 1988-1993 Chevrolet C2500 1988-1993 Chevrolet K1500 1988-1998 GMC C1500 1988-1993 GMC C2500 1988-1993 GMC K1500 1999 GMC C1500 Suburban

1x Vapor Line C (1/4" Diameter)

Long Tube Headers for 55-57 Chevy 265-400 SBC 1-3/4in Primary D353 rol 7L V8 1977 - 1978Overview: 55 57 Chevy SBC Long Tube Silver Ctd 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. Features: 3 8" Thick machined flanges to prevent warping Precision formed long transition collectors and long tube design reduces backpressure