Schoenfeld Slip-Together Reducer - 4" to 3-1/2" Diameter Remote Oil Filter Mount This works well for setting

This works well for setting 2 different timings

For many applications

GM A-Body 1967-72

Idler / Tensioner Included

1972-1989 Buick Electra

Schoenfeld Slip-Together Reducer - 4" to 3-1/2" Diameter Remote Oil Filter Mount This works well for settingAllows easy fabrication of exhaust system and muffler installation. 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 gaskets,