Schoenfeld Adjustable Collector IMCA Headers - 1-3/4" to 1-7/8" Diameter - Style 9 Left Collector, Style 8 Right Collector - Standard SB Chevy 34014BK no need to login into

no need to login into software

Both Switches can be used with stock inductive ignitions or an MSD Ignition and can handle up to 1

300'' intake valves and 1

DIRECT BOLT ON IN 30 MINUTES OR LESS WITH SIMPLE HAND TOOLS

Schoenfeld Adjustable Collector IMCA Headers - 1-3/4" to 1-7/8" Diameter - Style 9 Left Collector, Style 8 Right Collector - Standard SB Chevy 34014BK no need to login intoShorter primaries increase flat torque range with crisp throttle response. 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, exhaust reducers, header