GM LS 1-3/4" Round Port Header Flange StainlessSteel, Sold as a Pair

Stainless Steel, Sold as a Pair

Custom build your exhaust with high quality Aeroflow components. Aeroflow’s CNC header flanges are manufactured from 9.5mm (3/8”) thick 304 Stainless Steel. They are precision-cut to meet your ports, reduce warping, and prevent leaks. The Aeroflow header flanges are offered in a variety of header flange sizes and shapes to mate your heads and headers to meet your exhaust building needs.