Long Tube Headers for 55-57 Chevy 265-400 SBC 1-3/4in Primary D353-B filter-back-exhaust 8 V8 1977 - 1986

8 V8 1977 - 1986 Ford E-350 Econoline Club Wagon 351/5

3 Outside Circumference (mm) (Belt): 2217 Top Width (in) (Belt): 1

or bracket kit (part # 97-409)

2L V6 1979 - 1981 Pontiac Firebird 301/4

Long Tube Headers for 55-57 Chevy 265-400 SBC 1-3/4in Primary D353-B filter-back-exhaust 8 V8 1977 - 1986Overview: 55 57 Chevy SBC Long Tube Black 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