Schoenfeld IMCA Modified Headers - 1.625 in Primary - 3 in Collector - Black Paint - Small Block Chevy 1185 - Pair 359102 Adjustable Timing Retard

Adjustable Timing Retard

Increased Throttle Response

Installs in minutes using 3M self stick tape

3-1/4 in OD

Vehicle Applications: 2007-2021 Toyota Tundra 78

Schoenfeld IMCA Modified Headers - 1.625 in Primary - 3 in Collector - Black Paint - Small Block Chevy 1185 - Pair 359102 Adjustable Timing RetardProduct Description: Headers IMCA 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,