Long Tube Headers for 82-92 GM F Body 265-400 SBC 1-3/4in Primary D3321-B Fuel-Vapor 8/8 V 1958 - 1960

8/8 V 1958 - 1960 Mercury Commuter 3

End 2 Thread Diameter: AN-10 Male Flare

5 amps to create a high voltage spark at the plug

6L V8 1975 - 1980 Chevrolet Caprice Classic Sport 350/5

Long Tube Headers for 82-92 GM F Body 265-400 SBC 1-3/4in Primary D3321-B Fuel-Vapor 8/8 V 1958 - 1960Overview: 82 92 GM F Body 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