Schoenfeld Header Flange - 5/16" Thick - 1.938" Round Port - Small Block Chevy 2010165 this makes these manifolds 75%

this makes these manifolds 75% thicker to combat cracking due to high exhaust temperatures

The black housing and laser-etched black anodized mounting bracket add great looks and a solid mounting point

which means that the lap belt straps must be pulled up and toward the center latch & link buckle mechanism to tighten the belts

Ford: Fairlane 61 - 69 6

Pulse Width Modulation controls fan(s) speed from 0-100%

Schoenfeld Header Flange - 5/16" Thick - 1.938" Round Port - Small Block Chevy 2010165 this makes these manifolds 75%Product Description: Header Flange 0. 313 in Thick 1. 938 in Round Port Steel Small Block Chevy Sold Individually 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,