ARP 201-5001 M10 S14 Chromoly Steel Hex Nuts Main Stud Kit for BMW 4-Cylinder

There are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. All kits come complete with hardened parallel-ground washers and high quality nuts. Some applications have provisions for mounting windage trays and have specially designed standoff studs with serrated lock nuts to position the windage tray and lock it securely in place. The studs are manufactured from 8740 chrome molyYou may also like ARP 135-3710 High Performance Series Black Oxide 12-Point Cylinder Head Bolt Kit for Big Block Chevy Mark IV with Edelbrock Head.