Home / Engine & Performance / Motor / ARP BMW M50B25/M52B28/S50B30US/S52B32US 2-bolt main. Main St “JE-Pistons kit R8 5.2L V10 ’09+ 85.00mm 9.0:1” has been added to your cart. View cart ARP BMW M50B25/M52B28/S50B30US/S52B32US 2-bolt main. Main St€ 265,91 In stock ARP BMW M50B25/M52B28/S50B30US/S52B32US 2-bolt main. Main St quantity Add to cart SKU: ARP-201-5000 Categories: Bolts & Studs, Engine & Performance, Motor Brand: ARP Description Description Country of Origin: USA Related products Bolts & StudsEngine & Performance ARP cabinet with SS hex metric accessory bolts Engine & PerformanceTurbochargers Haltech Turbosmart GenV eWG50 Progate 50 Bolts & StudsEngine & Performance ARP FORD 6.7L Powerstroke diesel CA625+ head stud kit Bolts & StudsEngine & Performance ARP cabinet with accessory bolts