Ford Powerstroke 6.4L - Gator Head Studs (2008-2010)
Type: Head Studs

Engineered for strength. Built for boost. Keep your 6.4L sealed under pressure.
Protect your 6.4L Power Stroke from head gasket failures with the Gator HD220 Heavy Duty Head Stud Kit. Manufactured from proprietary HD220 alloy with 220,000 PSI tensile strength, these studs replace weak factory bolts to deliver superior clamping force. Whether towing, daily driving, or running performance mods, this kit ensures a consistent cylinder head seal under extreme boost and thermal stress.
Vehicle Fitment
- ✅ 2008–2010 Ford F-250 6.4L Power Stroke
- ✅ 2008–2010 Ford F-350 6.4L Power Stroke
- ✅ 2008–2010 Ford F-450 6.4L Power Stroke
- ✅ 2008–2010 Ford F-550 6.4L Power Stroke
Specifications
Feature | Details |
---|---|
Product Type | Heavy-duty head stud kit |
Material | Gator proprietary HD220 alloy |
Tensile Strength | 220,000 PSI |
Threads | Precision-rolled after heat treatment |
Finish | Black oxide coating for corrosion protection |
Installation Kit | Includes 12-point nuts, hardened washers, lube, and torque guide |
What’s Included
- Gator HD220 head studs
- Heavy-duty 12-point nuts
- Hardened washers
- Gator Juice assembly lube
- Detailed torque sequence instructions
Key Features
- HD220 alloy delivers 220,000 PSI tensile strength—surpassing traditional 8740 chromoly
- Precision-rolled threads maximize fatigue resistance and long-term durability
- Black oxide finish protects against corrosion in harsh environments
- Complete installation kit with lube, nuts, washers, and torque guide for consistent results
Benefits
- Eliminates head bolt stretch to prevent blown gaskets and compression loss
- Provides secure sealing under aggressive tuning and heavy boost
- Extends long-term durability for towing, work, or performance builds
- Peace of mind for owners pushing their 6.4L Power Stroke harder
Important Notes:
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Return Policies
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.






