Schoenfeld Sprint Car Headers - 2" Primary - 3-1/2" Collector - Big Block Chevy 28100BK Fittings included are 3/4"-16

Fittings included are 3/4"-16

likes high axle ratios

Extended drive and idler shaft for additional support in the cover eliminating dynamic shfaft deflection at increased RPM levels

Manufactured in sizes Small - 3X-Large (refer to sizing chart)

Schoenfeld Sprint Car Headers - 2" Primary - 3-1/2" Collector - Big Block Chevy 28100BK Fittings included are 3/4"-16Product Description: Headers 2 in Primary 3. 5 in Collector Steel Black Paint Big 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, mandrel bends,