Schoenfeld IMCA Modified Headers 1-3/4" Primary 3-1/2" Collector Steel - Black Paint 356906 1967-1968 GMC C35/C3500 Pickup

1967-1968 GMC C35/C3500 Pickup

066 in Compression Thickness

Idle mixture screws

1955-1959 GMC FM350

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

Schoenfeld IMCA Modified Headers 1-3/4" Primary 3-1/2" Collector Steel - Black Paint 356906 1967-1968 GMC C35/C3500 PickupProduct 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