these bearings perform exceptionally well in high-horsepower

11618603913 found in the 2016-2019 BMW F20

and turbocharged applications where elevated cylinder pressures place extra stress on the head gasket and fasteners

Reduced piston weight contributes to improved engine responsiveness and acceleration

B58 ARP Main Stud Kit 1303615 these bearings perform exceptionally wellThis ARP Main Stud Kit is designed to replace BMW part numbers 11128644674 and 11127613127 for the B58; B58A, B58C, B58D engines found in varies BMW chassis F22, F23, G20, G22, G23, G26, G30, G01, G02, G29, G42, G43, F30, F31, F32, F33, F34, F36 and the Toyota GR Supra A90 A91 chassis. Upgrading from factory main bolts to ARP Main Studs is a simple, yet greatly beneficial upgrade. ARP Main Studs offer the following benefits: Uniform Clamping Force: