Nissan Sr 20 Header Flange Only - Cnc Machined

custom build your exhaust or turbo manifold with high quality components. ’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 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.