Leading engine builders rely on ARP main studs. Made from 8740 chromoly steel, they 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.

Specs:

• Main Bolt Style – 2-Bolt
• Fastener Style – Stud
• Head Style – 6-point (hex)
• Works with Windage Tray – No
• Fastener Yield Strength – 200,000 PSI
• Nuts Included – Yes
• Washers Included – Yes
• Quantity – Sold as a kit