Schoenfeld IMCA Headers - 1-5/8" Diameter - Standard SB Chevy HB22031SPL Bolts onto the intake manifold

Bolts onto the intake manifold for easy engine lifting

3 wire hall-effect crankshaft sensor

Designed for street high performance use

Simply attach the block off plate to your current RM-60 Mount with the (2) included bolts and you're done

Schoenfeld IMCA Headers - 1-5/8" Diameter - Standard SB Chevy HB22031SPL Bolts onto the intake manifoldIMCA Modified Headers fit D&M, Dirt Works, Swartz , etc. Straight out design, one piece welded construction. 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, race mufflers, insert mufflers, mandrel