Long Tube Headers for 67-69 Firebird 455 W/HO/SD/Ram Air Heads only D568 x-pipe Manifolds angle back

Manifolds angle back

Rev Limiter and Cooling Fan Temperature Adjustment

5L V8 1970 - 1975 Chevrolet Bel Air 454/7

1996-1998 Ford Mustang 281 CID

Long Tube Headers for 67-69 Firebird 455 W/HO/SD/Ram Air Heads only D568 x-pipe Manifolds angle backOverview: 67 69 Firebird 455 HO Long Tube Slvr 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