- ARP Connecting Rod Bolts- 5150 High Performance Rod Bearing Set

swipe to see the IAT increase data comparing stock vs RK manifold and view the White Papers Here

Upgrade your BMW M20 engine with 5150 AutoSport Pro-Xtreme Connecting Rods

dirt particles > 35um are not permissible

8AN ORB Adapter Fittings available here

BMW M50 S50 Intake Manifold Adapter Kit CPN-3406 - ARP Connecting Rod Bolts-Swapping your M52 or S52 intake manifold over to the M50 S50 version with larger runners? This is your highest quality and best value option on the market today. The billet machined manifold adaptor kit makes installing the higher flowing OBDI manifold onto your OBDII car a simple project. This kit takes the headaches out of the manifold swap and assures there will be no leaks and the OBDII oil separator system is kept intact. Stainless throttle body