SuperTech valves deliver enhanced power output and improved engine efficiency

H1869SPB089S

designed specifically for E36 and Z chassis

2017–Present     BMW G30 M550i xDrive     Sedan

ARP Main Stud Kit, BMW S54 740Li SuperTech valves deliver enhanced powerThis ARP Main Stud Kit is designed to replace BMW 11112244286 for the S54 engine that was found in E46 M3 and E36 7 Z3 M Roadster, Z4 M Coupe and Roadster, and E46 M3 CSL. 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: ARP Main Studs provide a uniform clamping force that OEM bolts cannot. With the improved distribution of pressure