2003-2018 Cummins Gorilla Girdle W/ ARP XL Main Studs

2003-2018 Cummins 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). Available in 12mm or 14mm 14MM Kit will require a stamped oil pan Before you start, READ AND UNDERSTAND THE INSTRUCTIONS. (12mm ARP 2000, 125 ft lbs) ((14mm ARP, 150 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)