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OE-style bolts
and much more
Upgrading from the OEM main bolts to studs also allows you to obtain much more precise torque readings
These injectors go through end-of-line testing for fuel flow
7L Cummins running in the most extreme environments
Main Stud Kit 2001-2005 GM 6.6L Duramax LB7/LLY XDP Xtreme Diesel Performance OE-style boltsThe 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
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