2001-2005 / 2017-2025 Duramax Gator Fasteners HD Main Stud Kit (MSK667Y)

The Gator Fasteners Heavy Duty Main Stud Kit (MSK667Y) is the ultimate upgrade for 2001-2005 6.6L LB7 & LLY / 2017-2025 L5P Duramax Diesel engines, providing superior clamping force and durability. Whether you're pushing high boost, towing heavy loads, or running a high-performance build, these main studs will keep your bottom end secure.

Unlike factory bolts that can stretch and weaken under extreme conditions, Gator Fasteners HD220 main studs are designed to reinforce your engine block and ensure long-term reliability.

When it comes to durability and performance, "Nothing Bites Like Gator!"