ARP Connecting Rod Bolt Set - M50/M52/S50/S52us Factory Rods (44mm UHL)
Please verify the UHL(under head length) needed before you order.
For high performance and racing engines we strongly recommend upgrading from OEM type connecting rod bolts to an ARP2000 Connecting Rod Bolt kit to keep your BMW M50 M52 S50 or S52US engine bearings and caps tight even under the most extreme conditions. ARP Hardware aids in eliminating potential walk and bearing problems. We use ARP hardware in any area it is available for every engine we build. ARP2000 is capable of achieving a clamp load at 220,000 psi. ARP2000 is used widely in all types of racing as an up-grade from 8740 chromoly.
ARP’s customer list includes the “who’s who” of motorsports from around the world. In the past several years, virtually every major championship on the planet has been won with engines prepared by ARP customers. These include NASCAR Sprint Cup, IndyCar, Formula 1, ALMS, NHRA Top Fuel, Funny Car & Pro Stock, NASCAR Nationwide Series and Camping World Truck Series. And so it goes. ARP works closely with many, many teams as a supplier of engine and driveline fasteners, and has clearly become recognized as “the” preeminent source for serious racers.
In addition to its core automotive business, ARP has an Aerospace Division, and is one of the very few companies in the world fully licensed by the United States Government to manufacture MS-21250 fatigue rated fasteners.