1989-1991 Chevrolet V3500When utilized with Sniper EFI
with an average increase of 11 rear-wheel horsepower
100% T-304 Stainless Steel Construction
Outer mounting bolt holes are 2
2003-2009 Ford E-450 Super Duty
Schoenfeld Gasket SB 18 Degree Shutoff Valve 1989-1991 Chevrolet V3500When utilized withSchoenfeld Gasket SB 18 Degree 1540 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, and more. Product Description: