Schoenfeld SB Chevy Conventional Crossover Headers - Standard Port - 1-3/4" - 1-7/8" - 2" Tube Diameter HYPLLRG11PA A sensor kit is required

A sensor kit is required for operation however

1983-1986 GMC C2500 Suburban

or ASA LM Series

1/2 in Wide

to make sure all your bearing surfaces are properly oiled cutting down on engine wear

Schoenfeld SB Chevy Conventional Crossover Headers - Standard Port - 1-3/4" - 1-7/8" - 2" Tube Diameter HYPLLRG11PA A sensor kit is requiredProduct Description: Headers Conventional Crossover Tri Y 1. 75 to 1. 875 to 2 in Primary 3. 5 in Collector Steel Black Paint Small Block Chevy Pair 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 turn downs, extensions, tubing bends and elbows,