Schoenfeld Dirt Late Model Tri-Y Headers - Tri-Y - 1.875 to 2 in Primary - 3.5 in Collector - Black Paint - Small Block Chevy - Pair 57550BK The retainer fits over the

The retainer fits over the bolt head and locks the bolt against the header tube

Monte Carlos

Crisper Throttle Response

1-1/2 in Lift

Schoenfeld Dirt Late Model Tri-Y Headers - Tri-Y - 1.875 to 2 in Primary - 3.5 in Collector - Black Paint - Small Block Chevy - Pair 57550BK The retainer fits over theProduct Description: Headers Dirt Late Model Tri Y 1. 875 to 2 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,