2003+ Common Rail 12Mm Gorilla Girdle W/ Arp Xl Main Studs

This kit includes:

• 1 Gorilla Girdle
• 14 top spacers, (large hole) 12 bottom spacers (small hole)
• 1 rear main spacer bar,2 rear main stud nuts (12 point)
• 12 main stud nuts (Nylock).

Before you start, 12mm ARP 2000, 125 ft lbs)

Note: On certain 6.7L Cummins engines that come factory with a windage tray instead of a factory girdle you will be required to get the early style longer oil pickup tube bolts as well as an early style oil pickup tube.

We are currently working on a fix for this to prevent any further install issues. Cummins oil pickup tube part number: 3949692 (qty 1)Cummins oil pickup tube bolt part number: 3902460 (qty 2)