ARP main stud kits are made from 8740 chromoly steel and have a 190,000 psi tensile-strength rating. They are precision centerless-ground and thread-rolled to Mil-S-8879 specs, with a black oxide finish for corrosion resistance. The kits come complete with hardened washers and high-strength hex nuts.
Specs:
- Main Bolt Style – 4-Bolt
- Fastener Style – Stud
- Fastener Nut Style – Standard 12-point
- Head style – 12-point
- Works with Windage Tray – No
- Nuts Included – Yes
- Washers Included – No
- Quantity – Sold as a kit