Reduced high-RPM performance

these camshafts ensure your engine delivers maximum horsepower

These stainless-steel mounts are designed to properly secure the lift pump to the bottom of the fuel cell

ARP Custom Age 625+ bolts offer an impressive 260 ksi tensile strength

The charge pipe and boost pipe are the pipes that hold pressurized air from your turbo and take it to your engine

BMW S38 Connecting Rod Bolts by ARP Standalone Reduced high-RPM performanceUpgrade your BMW S38 engine, as found in the E28 M5 and E34 M5, with ARP Connecting Rod Boltsthe ultimate choice for strength, reliability, and performance. Crafted in the USA by Automotive Racing Products (ARP), these bolts are engineered to surpass OEM rod bolts and deliver unmatched durability in high performance applications. Perfect for rebuilds or preparing the engine for performance modifications, ARP rod bolts are built to handle extreme