Schoenfeld IMCA Modified Mid-Length Primary Design Headers - 1-3/4" Tube, 3-1/2" Collector - Standard Port AA0112EG2T57 we needed an HEI Cap

we needed an HEI Cap and Rotor that could withstand the high output

This limit is adjustable from 5

Maximize energy and reliability over the full RPM range

1977-1986 Chevrolet G10

Use with our Round Tank Brackets (ALL14408-ALL14437) and Neck Mount Brackets (ALL14474-ALL14475) or may be used to mount other items with a threaded mount

Schoenfeld IMCA Modified Mid-Length Primary Design Headers - 1-3/4" Tube, 3-1/2" Collector - Standard Port AA0112EG2T57 we needed an HEI CapIMCA 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