Main Stud Kit - 12pt Nuts - 2-Bolt Mains - Chromoly - Black Oxide - Ford FE-Series - Kit. Manufacturer: ARP (Automotive Racing Products). Automotive Racing Products (ARP) started in 1968, in Southern California.
ARP BBF Main Stud Kit 255-5502
ARP BBF Main Stud Kit 155-5402
ARP BBF Main Stud Kit 155-5501
ARP #155-5401 BBF Main Stud Kit 6pt.
ARP BBF Main Bolt Kit - Fits 429-460 155-5202
