Nissan RB20, RB25, RB26 Mild Steel Header Flange - AF9551-1020 A4 This is a combination kit

This is a combination kit for the Stinger that mix the valve types

6 Ecoboost 2013-2017 (US Spec Only)

Nissan Z33 350Z (Non Brembo)

Emtron & Motec 100series

LN110 etc)

Nissan RB20, RB25, RB26 Mild Steel Header Flange - AF9551-1020 A4 This is a combination kitCustom build your exhaust or turbo manifold with high quality Aeroflow components. Aeroflows 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 shapes to mate your cylinder heads and headers manifolds to meet your exhaust building needs.