Schoenfeld Dirt Late Model Headers 1-5/8 to 1-7/8" Primary 3" Collector Steel - Black Paint 2010484 Vacuum advance and boost retard

Vacuum advance and boost retard is selectable through a MAP sensor

This pivot kit works with Bell 276 SRV and 281 SRV Helmet Shields only

AN washers

Electric Heat Seal

Schoenfeld Dirt Late Model Headers 1-5/8 to 1-7/8" Primary 3" Collector Steel - Black Paint 2010484 Vacuum advance and boost retardProduct Description: Headers Dirt Late Model 1. 625 to 1. 75 to 1. 875 in Primary 3 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