Schoenfeld IMCA Headers - 1-3/4" Diameter - Standard SB Chevy 711031 Can operate from 8-20 volts

Can operate from 8-20 volts

1977-1978 GMC K15

Fits 1964 to 1972 GM A-Body with a V8 engine

Engineered design resists spring lean and bow

1975-1980 Pontiac Grand Am

Schoenfeld IMCA Headers - 1-3/4" Diameter - Standard SB Chevy 711031 Can operate from 8-20 voltsIMCA 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