Silverado/Sierra 2500/3500 2001-05 6.6L LB7 & LLY Heavy Duty Main Stud Kit Gator Fasteners
MSK667Y-JDZH
Upgrade Your LB7, LLY & L5P Duramax for Maximum Strength. 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!
- Heavy-Duty Main Stud Kit - Specifically designed for 2001-2005 LB7 & LLY and 2017-2025 L5P 6.6L Duramax Diesel engines.
- Much Stronger Than 8740 Chromoly Steel - Made from HD220 material, which far exceeds the strength of 8740 used by competitors.
- Superior Clamping Force - Reinforces the main bearing caps to handle increased power and boost levels.
- Rolled Threads After Heat Treating - Enhances strength, prevents thread failure, and improves fatigue resistance.
- Corrosion & Wear Resistant - Designed to withstand harsh operating conditions for long-lasting performance.
- Includes High-Quality Nuts & Washers - Provides a complete installation kit for a secure and precise fit.
- Ideal for High-Performance & Heavy-Duty Applications - Perfect for towing, racing, and extreme off-road use.
Specifications
- Engine manufacturer: Duramax
- Engine years: 2001-2005
- Displacement: 6.6 Liter
- Fuel type: Diesel
- Material: Steel
- Finish: Powdercoat
- Color: Black
- Sold as: Kit
- Weight: 12.4 lb
- Country of origin: USA
- Vehicle fit: Chevrolet Silverado 2500 (2001-2004), GMC Sierra 2500 (2001-2004), GMC Sierra 3500 (2001-2005), GMC Sierra 2500 HD (2001-2005), Chevrolet Silverado 2500 HD (2001-2005), Chevrolet Silverado 3500 (2001-2005)
Gator Fasteners has been selling since 2017. The company was started to fill a gap in the market: a fastener line built to go toe-to-toe with the best in the industry, at a price that works for shops and builders.
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