WCP Duramax Street is a 1/2 thick one-piece Girdle designed to provide additional support to the bottom end of the Duramax Block by tying the main caps to the oil pan bolts.
- Includes ARP Main Studs, Washers & Nuts.
- ARP Cross Bolts, Washers and Lube Packet. Oil pan and Pick up Tube Hardware.
- All fasteners except cross bolts are 1/2 longer for proper fitment and ease of installation
- Made in USA
- Factory Main Caps require additional machining