Main Stud Kit - Hex Nuts - 4-Bolt Mains - Chromoly - Black Oxide - Windage Tray - Big Block Chevy - Kit. Manufacturer: ARP (Automotive Racing Products). Automotive Racing Products (ARP) started in 1968, in Southern California.
ARP BBC Main Stud Kit - Fits 2-Bolt- No Windage Tray 135-5402
ARP BBC Main Stud Kit 2-Bolt w/Windage Tray 235-5502
ARP BBC Main Stud Kit - Fits 4-Bolt- No Windage Tray 135-5601
ARP BBC Main Stud Kit 4-Bolt w/Windage Tray 235-5701
ARP BBC Main Stud Kit for Big Block Chevy V8 (Part #135-5606)
ARP BBC Main Stud Kit with 12 Point Nuts for Big Block Chevy Engines
