Coming soon. Developed from the ground up to be compact and affordable, this adapter maintains a smooth port transition from S54 ITBs to M50 cylinder heads.

(Contact us for custom port sizing tailored to your specific build.)

Printed in-house from PA12-CF, each adapter features custom machined stainless inserts and OEM BMW intake manifold studs paired with ARP stainless nuts. Every kit includes M50 intake gaskets and S54 ITB O-rings. The two-piece split design ensures straightforward installation.

As we move into testing, we are looking for a few test vehicles. If you are interested in joining the program, reach out for a discounted rate.