Schoenfeld Flange SB Chevy Crate - 1-5/8" H775C30 1999-2000 GMC C3500

1999-2000 GMC C3500

4L60E / 4L80E

When used with valley screens

Bolt-On Self-Tuning Throttle Body Injection System for 4150 Flange Carburetor Manifolds with Touchscreen Hand-Held and Inline Fuel Pump

The DW400 has a 46mm diameter and is compatible with pump gas

Schoenfeld Flange SB Chevy Crate - 1-5/8" H775C30 1999-2000 GMC C3500Flange Thickness is 1 4". 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: Header