Main Stud Kit 2001-2005 GM 6.6L Duramax LB7/LLY XDP Xtreme Diesel Performance L5P and additional oil transfer grooves

and additional oil transfer grooves that reduce friction in the rocker arm bushing area to extend the life of both the rocker arm and the trunnion

Utlizing the AFE ProDryS 5

The XDP XD320 Pushrods are manufactured to XDP's stringent standards using only the highest quality materials

If you do any long-haul heavy towing or hot-shotting

The GT3782VA is a Variable Geometry Turbo (VGT) and is notorious for issues such soot and ash buildup in the turbine housing with the vanes eventually sticking and a seized unison ring

Main Stud Kit 2001-2005 GM 6.6L Duramax LB7/LLY XDP Xtreme Diesel Performance L5P and additional oil transfer groovesThe XDP Main Stud Kit XD3007MS is essential for setting up your 2001 2005 GM 6. 6L Duramax LB7 LLY for competition or street use. OEM main bolts typically struggle to handle the pressure in high horsepower engines. Constructed using an 8740 Chrome Moly with an added proprietary element ensures these studs are more durable and will not stretch like the factory bolts. The threads are rolled after heat treating to deliver optimum fatigue strength. These