Home / Categories / Engine Components / Bolts & Studs / ARP main stud kit BMW M30/S38 ARP main stud kit BMW M30/S38High quality studs that will replace the rather weak factory bolt. Reusable. kr 3,095.00 MPN: 201-50021 in stock ARP main stud kit BMW M30/S38 quantity Add to cart SKU: 391 Category: Bolts & Studs Brand: ARP Related products ARP head stud BMW M30 kr 3,795.00 Add to cart ARP head stud kit BMW S50 kr 4,195.00 Add to cart ARP Pro series Chevrolet LS head studs 2004 and later kr 7,149.00 Add to cart ARP Ultra torque lube bag kr 40.00 Add to cart