5150's Calico-coated bearings deliver longer-lasting performance and enhanced durability

they are designed to be a direct replacement for the OEM pistons and are available in various bore sizes and compression ratios

Here’s how G40 G42 Compact and GTX4088R stack up against each other in size

Follow proper torque sequence and re-torque after initial engine heat cycle

BMW M52 Connecting Rod Bolts by ARP S55 Cylinder Head porting 5150's Calico-coated bearings deliver longer-lastingFortify your BMW M52 engine with ARP Connecting Rod Bolts, engineered to deliver unmatched strength, precision, and performance. Manufactured in the USA by Automotive Racing Products (ARP), these bolts are built to outperform OEM rod bolts, offering enhanced durability and reliability for high performance applications. Whether youre rebuilding, tuning, or pushing your engine to its limits on the track, ARP rod bolts ensure your connecting rods stay