Schoenfeld 180 Degree Crossover Headers - 1.75 in Primary - 3.5 in Collector - Black Paint - Small Block Chevy H180 10000603 The new model allows you

The new model allows you to make your boost adjustments through a PC for improved control and accuracy

Bearing Races 1-seal for SRC-1980

105" Jet size

To Calculate the Driven Teeth follow this formula

Schoenfeld 180 Degree Crossover Headers - 1.75 in Primary - 3.5 in Collector - Black Paint - Small Block Chevy H180 10000603 The new model allows youH Series fits Howe, Lefthander, Port City, Etc. chassis type offset cars as well as earlier straight up models. 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,