GM Duramax 6.6L - Gator Head Studs (2001-2016)
Type: Head Studs | Fits: GM
Nothing bites like Gator—head stud strength your Duramax can count on.
Engineered to protect your 6.6L Duramax diesel (LB7, LLY, LBZ, LMM, LML) under extreme stress, the Gator Heavy Duty Head Stud Kit delivers the superior clamping force needed to prevent head gasket failures in the most demanding conditions. Built for durability, these studs replace weak OEM bolts, ensuring your Duramax stays sealed whether towing heavy, sled pulling, or running aggressive tunes.
Vehicle Fitment
- ✅ 2001–2016 GM/Chevy 6.6L Duramax LB7
- ✅ 2004.5–2005 GM/Chevy 6.6L Duramax LLY
- ✅ 2006–2007 GM/Chevy 6.6L Duramax LBZ
- ✅ 2007.5–2010 GM/Chevy 6.6L Duramax LMM
- ✅ 2011–2016 GM/Chevy 6.6L Duramax LML
Specifications
| Feature | Details |
|---|---|
| Product Type | Heavy-duty head stud kit |
| Material | Gator high-strength alloy |
| Tensile Strength | Rated for extreme boost and high cylinder pressure |
| Threads | Precision-machined for reliable torque application |
| Finish | Black oxide corrosion-resistant coating |
| Installation Kit | Includes studs, 12-point nuts, washers, and assembly lube |
What’s Included
- Gator Heavy Duty head studs
- 12-point nuts
- Hardened washers
- Gator Juice assembly lube
- Detailed install/torque instructions
Key Features
- Heavy-duty construction withstands high boost, towing loads, and performance tuning
- Superior clamping force prevents head gasket failures under extreme cylinder pressures
- Engineered for long-term durability and reliability—unlike OEM bolts that stretch under stress
- Complete kit ensures consistent, proper clamp load during installation
Benefits
- Eliminates the weak link of stock head bolts
- Keeps cylinder heads sealed in performance or heavy-duty applications
- Extends engine life under aggressive use or high horsepower builds
- Provides peace of mind for racing, towing, or off-road performance
Important Notes:
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Your satisfaction is important to us. If you wish to return an item or request a refund, please review the terms and conditions outlined in our Returns Policy.
Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.
