ARP Main Stud Kit, BMW M30

This M30 ARP Main Stud Kit is designed to replace BMW 11111735525 for the M30B30, M30B34, and M30B35 engines that was used in a variety of BMW models, including the E3, E9, E12 and E23. 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 across main bearing caps comes better, more precise crank alignment for stability and longevity.  - Improved Block Stability and Rigidity: ARP Main Studs improve block rigidity and therefore stability. This ensures maximum power transfer from the crank to the drivetrain, which in turn ensures:  - Improved Throttle Response - Greater Horsepower - Higher Torque Output - Prevent Main Cap Walk: This occurs as main caps shift and move out of position, which can cause crank and engine damage - Reduced Risk of Fastener Stretching: U