Aeroflow GM LS Mild Steel Header Flange CNC Machined, Sold Individually

Custom build your exhaust or turbo manifold with high quality Aeroflow components. Aeroflow’s CNC header flanges are manufactured from 9.5mm (3/8”) thick mild 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 shapesto mate your cylinder heads and headers/manifolds to meet your exhaust building needs.