Description
Carrillo SCR11938-8 Pro-H connecting rods are designed for BMW M5 and M6 S63B44T0 engine builds and come as a set of 8. These rods use 3/8 WMC bolts and are built for high-performance internal engine upgrades where strength, reliability, and precise rotating assembly components matter. Connecting rods link the pistons to the crankshaft, making them a critical upgrade for boosted, high-output, or refreshed S63 engine combinations.