Main Stud Kit 2001-2005 GM 6.6L Duramax LB7/LLY XDP Xtreme Diesel Performance Premium Fuel Injectors Valve springs are an essential

Valve springs are an essential upgrade that are often overlooked in many performance builds

meaning you now have to replace all of the aforementioned parts

All remanufactured components are assembled and tested on original equipment

But make no mistake

and general driving characteristics:

Main Stud Kit 2001-2005 GM 6.6L Duramax LB7/LLY XDP Xtreme Diesel Performance Premium Fuel Injectors Valve springs are an essentialThe 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