Schoenfeld Long Elbow - 3-1/2" Diameter - 30 Bend, 4" Centerline Radius, 15-1/2" (A) Length, 6" (B) Length 4704021-20-S ΓÇóChangeable idle and high-speed air

ΓÇóChangeable idle and high-speed air bleeds

Axle Shaft

GMC: C7500 Topkick 07 - 07 4

Tubing Coupler

Schoenfeld Long Elbow - 3-1/2" Diameter - 30 Bend, 4" Centerline Radius, 15-1/2" (A) Length, 6" (B) Length 4704021-20-S ΓÇóChangeable idle and high-speed airSchoenfeld Elbows and Bends make fabricating your race car exhaust system easy. 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,