ARP Main Stud Kit, BMW M30 NA Triple Groove Valve Design will

Triple Groove Valve Design will work with factory valve locks " Valve Keepers

CP-Carrillo pistons are designed and manufactured to exacting standards using top quality materials for high strength-to-weight ratios

specifically for the N62 engine

15mm Intake / 9

Slow forging for superior material structure

ARP Main Stud Kit, BMW M30 NA Triple Groove Valve Design willThis 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