Schoenfeld DIRT Modified Headers - 1-5/8 in Primary - 3 in Collector - Black - Small Block Chevy (Pair) Water Pump Spacer With both individual components and

With both individual components and complete vehicle-specific kits

4 fully-differential analog inputs

1-3/4 in Diameter Hole

1 to 4 psi

one pair of metering rod retaining springs and a complete assortment of step-up springs

Schoenfeld DIRT Modified Headers - 1-5/8 in Primary - 3 in Collector - Black - Small Block Chevy (Pair) Water Pump Spacer With both individual components andProduct Description: Headers DIRT Modified 1. 625 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 mufflers, insert mufflers,