Schoenfeld Sprint Headers 2-1/8" Primary 4" Collector Steel - Black Paint Air Conditioning All threads are NPT

All threads are NPT

5" diameter base

12 AN Male Adapters

6-3/4 in Drop to 11-1/2 in Rise

Schoenfeld Sprint Headers 2-1/8" Primary 4" Collector Steel - Black Paint Air Conditioning All threads are NPTProduct Description: Headers Sprint 2. 125 in Primary 4 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