they perform reliably in extreme conditions such as forced induction or racing
CP-Carrillo connecting rods are the go-to upgrade for serious BMW engine builders
while L19 boasts a tensile strength of 260
1986-1987 E30 M3 Evo I
B58 ARP Main Stud Kit 730i they perform reliably in extremeThis 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: