Schoenfeld IMCA Modified Mid-Length Primary Design Headers - 1 5/8" Tube, 3" Collector - Standard Port H762001XXL Dodge Cummins / GM Duramax

Dodge Cummins / GM Duramax

and 409 Internal components

Military Grade

an EZ system of detachment for quick jet changes

Mopar 1962-82

Schoenfeld IMCA Modified Mid-Length Primary Design Headers - 1 5/8" Tube, 3" Collector - Standard Port H762001XXL Dodge Cummins / GM DuramaxIMCA Modified Mid length Primary Design Headers offer a compromise between low end torque and high RPM horsepower. Fits Bob Pierce, BMS, Dirtworks, GRT, Harris, Hoffman, Jet, Larry Shaw chassis. Started in 1974, Schoenfeld is known for custom fabricated headers for all forms of circle track racing. Schoenfeld Headers is the worlds largest manufacturer of circle track headers, but they specialize in a variety of high quality exhaust parts, including