Long Tube Headers for 62-74 Mopar 426 Wedge440 RB Motor 2in Primary D452 accel 8 L6 1963 - 1966

8 L6 1963 - 1966 GMC PB1000 Series 230/3

8 V8 2009 GMC Savana 2500 364/6 V8 2009 GMC Savana 2500 294/4

9L V8 1971 - 1974 Dodge W300 Pickup 360/5

6 V8 1971 Pontiac Firebird Esprit 455/7

Long Tube Headers for 62-74 Mopar 426 Wedge440 RB Motor 2in Primary D452 accel 8 L6 1963 - 1966Overview: 62 74 Various 426 440 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