the Pro-Xtreme Connecting Rods provide peace of mind for engine builders and enthusiasts pushing the limits of their M54 engines

providing enhanced stability and reducing load loss

creating a chemical bond via Cometic's proprietary coatings

5 mm connecting rods are designed to fit BMW N63 and S63 engine found in the following applications:

SuperTech valves ensures optimal power output and improved engine efficiency

ARP Head Stud Kit, BMW S50B30/S50B32 EURO hpvk the Pro-Xtreme Connecting Rods providePlease Note: CA 625+ Head Studs are currently out of stock, 6 8 week lead time. This custom ARP head stud kit is designed specifically for the European BMW S50B30 Single VANOS and S50B32 Dual VANOS inline 6 cylinder engines, which are commonly found in the following applications: 1995 1999 E36 M3 (excluding Canada and the United States) 1996 2000 Z3 M Coupe and M Roadster (excluding Canada and the United States) Installing ARP head studs on an S50B30