Small Block Ford stock rectangular shaped port header exhaust flanges. These flanges come as a pair and are designed for 1-5/8" primaries, these are 2" bolt pattern center to center, 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.
All warranty questions, claims or otherwise should be directed toward the manufacturer, Dart.
