Long Tube Headers for 55-62 Corvette 265-400 SBC 1-5/8in Primary D315-B mallory 7 V8 1983 Chevrolet K10

7 V8 1983 Chevrolet K10 Silverado 305/5 V8 1984 - 1986 Chevrolet K10 305/5 V8 1983 - 1986 Chevrolet K10 Suburban 350/5

1989-1989 Chevrolet V3500 350 CID

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5L V6 - HGL0301SS

5L V8 1970 - 1971 Buick Skylark Custom 455/7

Long Tube Headers for 55-62 Corvette 265-400 SBC 1-5/8in Primary D315-B mallory 7 V8 1983 Chevrolet K10Overview: 55 62 Corvette 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 backpressure