Schoenfeld Collector Extension - 36" Length x 3" O.D. 11003B Aluminum pumps had a hub

Aluminum pumps had a hub height of approximately 5

This can then be loosened while on the crank snout so that you can turn the degree wheel independent of the engine

tubes are black zinc coated

Multiple Sparks Improve Starting And Idle

Schoenfeld Collector Extension - 36" Length x 3" O.D. 11003B Aluminum pumps had a hubSchoenfeld Collector Extensions make easy work out of fabricating your race car exhaust system. 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,