Stainless Works Header Flange LS 1-3/4" Round Port

LS1/LS6 Chevrolet round port header exhaust flanges. These flanges come as a pair and are designed for 1-3/4" primaries, laser-cut from heavy-duty 3/8" thick 304 stainless steel for superior resistance to warping from high heat, and comes with a limited lifetime warranty.