Schoenfeld Dirt Late Model Headers - 1-3/4" to 1-7/8" Tube Diameter - 3-1/2" x 8" Collectors - Standard SB Chevy Bump Spring Cap The Retard Module Selectors allow

The Retard Module Selectors allow you to select between 12 retard amounts with the turn of a dial

The key to making excellent torque and horsepower comes from using the smallest port for a given amount of airflow and then matching the correct port size to the airflow requirements of your application

Chevrolet: Biscayne 65 - 69 6

Kit includes mild steel brackets

Guaranteed w/The Teflon Lining

Schoenfeld Dirt Late Model Headers - 1-3/4" to 1-7/8" Tube Diameter - 3-1/2" x 8" Collectors - Standard SB Chevy Bump Spring Cap The Retard Module Selectors allowDirt Late Model Headers (Long primaries Both sides over frame). Fits Barry Wright, Warrior and Rocket chassis. 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,