Schoenfeld IMCA Modified Headers - 1-3/4" Primary - 3-1/2" Collector - Steel - Black Paint - SB Chevy 89401A No CARB Exemption Order NumberOriginally

No CARB Exemption Order NumberOriginally designed with NASCAR in mind

1980-1981 GMC P3500

headset hangers

6 to 24 in Tanks

sold in sets of 16

Schoenfeld IMCA Modified Headers - 1-3/4" Primary - 3-1/2" Collector - Steel - Black Paint - SB Chevy 89401A No CARB Exemption Order NumberOriginallyProduct Description: Headers IMCA Modified 1. 75 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, race mufflers, insert