Schoenfeld IMCA Modified Headers 1-3/4" Primary 3-1/2" Collector Steel - Black Paint 356906 Stainless steel tubing is 304

Stainless steel tubing is 304 grade and double annealed for easy flaring and bending

2003-2013 Chevrolet Express 1500

1999-2004 Oldsmobile Bravada

Idle mixture screws

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Schoenfeld IMCA Modified Headers 1-3/4" Primary 3-1/2" Collector Steel - Black Paint 356906 Stainless steel tubing is 304Product 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