Schoenfeld Slip-Together Reducer - 3-1/2" to 3-1/2" Diameter GBDSSI 2003-2006 GMC C7500 Topkick

2003-2006 GMC C7500 Topkick

1975-1979 Porsche 911

They transmit the required power

Throwout Bearing Spacer

Schoenfeld Slip-Together Reducer - 3-1/2" to 3-1/2" Diameter GBDSSI 2003-2006 GMC C7500 TopkickAllows 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,