Gator Fasteners Heavy Duty Main Stud Kit 01-05 GM 6.6L Duramax LB7/LLY AM-13006 and anti-freeze

and anti-freeze

NOTE: This kit is not applicable if you have the Donaldson AIS Kit installed

7L Cummins and have upgraded their stock VGT (Variable Geometry Turbo) to a better performing

When lifting a vehicle

improve airflow

Gator Fasteners Heavy Duty Main Stud Kit 01-05 GM 6.6L Duramax LB7/LLY AM-13006 and anti-freezeWhen building a high horsepower 6. 6L Duramax LB7 LLY engine, the factory main bolts can only handle so much power. Factory bolts can stretch and cause what's called main cap walk or loss of torque. Both these conditions can contribute to major engine issues. The Gator Heavy Duty Main Studs eliminate these issues and add strength to the bottom end of your engine. These main studs are designed for stock to performance built engines and feature tensile