B58 ARP Main Stud Kit 730i This is due to higher

This is due to higher friction on the studs as well as inconsistencies in the clamping force of the fasteners when motor oil or other low quality lubricants are used

they perform reliably in extreme conditions such as forced induction or racing

while L19 boasts a tensile strength of 260

this BMW S14 2

B58 ARP Main Stud Kit 730i This is due to higherThis 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: