Stainless Works sswHFSBCSQ175

Stainless Works Small Block Chevy squared oval port header flanges are sold as a pair and sized for 1-3/4" primaries to match squared oval ports. Laser-cut from heavy-duty 3/8" thick 304 stainless steel, these flanges resist warping from high heat while providing accurate bolt alignment and sealing surfaces. They’re intended for header fabrication or replacement on Small Block Chevy engines where squared oval ports are used.

Stainless Works Small Block Chevy Squared Oval Port Header 304SS Exhaust Flanges 1-3/4in Primaries