Our Oldsmobile Main Stud Hardware Kit designed to work with our PDD Billet Oldsmobile Main Caps!

This is for the 4-Bolt Billet Main Cap Offering. 

This kit utilizes ARP 1/2" Studs with broached hex keys on the end for easy installation, hardened 1/2" washers, 12pt 1/2-20 nuts, and ARP assembly lubricant.

This Main Stud Kit WILL NOT work with OEM Oldsmobile Main Caps.