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 Intercoms & Components It features automatic air sampling

It features automatic air sampling and an internal fan control to provide highly accurate results

- Includes Battery Box w/2 Gauge Battery Cable Kit/Bolts/All Mounting Hardware - Fits Optima Battery

This model uses a needle rolling bearing to transfer maximum horsepower

The AVS Windflector is backed by our limited lifetime warranty

This slave features a 3/8" longer stroke for a total 1 3/8" stroke when using a 7/8" master cylinder

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 Intercoms & Components It features automatic air samplingProduct 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,