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.
ARP MAIN STUD KIT 235-5701 BB CHEVY 396 402 427 454 W/WINDAGE TRAY 4 BOLT MAIN
ARP MAIN STUD KIT 134-5403 SB CHEVY LARGE JOURNAL 12 POINT NUTS 2 BOLT MAIN
ARP MAIN STUD KIT 154-5605 SB FORD 302 SVO 4 BOLT MAIN
ARP Main Stud Kit for Saturn 1.9L 2-Bolt Main w 1/2 inch straps / Nissan KA24D
ARP MAIN STUD KIT 154-5606 SB FORD 351 WINDSOR 4 BOLT MAIN
ARP MAIN STUD KIT 154-5604 SB FORD 351 CLEVELAND 4 BOLT MAIN