Stainless Works Small Block Ford rectangular port header flanges come as a pair and are designed for 1-7/8" primaries with a 2" bolt pattern center-to-center to match SBF rectangular ports. Laser-cut from heavy-duty 3/8" thick 304 stainless steel, they resist warping from high temperatures while providing accurate bolt alignment and sealing surfaces. These flanges are suited for header fabrication and replacement on Small Block Ford applications.
Stainless Works SBF Rectangular Shaped Port Header 304SS Exhaust Flanges 1-7/8in Primaries (2in BP)