Long Tube Headers for 55-57 Chevy 265-400 SBC 1-3/4in Primary D353 rol Supports up to 650hp naturally

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

6 L V6 2012 - 2017 Dodge Durango Special Service 220/3

9L/V6 1991 - 1995 Ford Explorer 4L/V6 1994 - 1995 Ford F-150 5

3L V8 1955 - 1957 Chevrolet Suburban Base 265/4

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

Long Tube Headers for 55-57 Chevy 265-400 SBC 1-3/4in Primary D353 rol Supports up to 650hp naturallyOverview: 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