Long Tube Headers for 55-57 Chevy 265-400 SBC 1-3/4in Primary D353 rol 1969-1972 Ford F-100 302 CID

1969-1972 Ford F-100 302 CID

2001-2006 Chevrolet Silverado 1500 HD

6 V6 2011 Dodge Avenger Mainstreet 220/3

1210" Jet size

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

Long Tube Headers for 55-57 Chevy 265-400 SBC 1-3/4in Primary D353 rol 1969-1972 Ford F-100 302 CIDOverview: 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