Ford Powerstroke 6.4L - Gator Head Studs (2008-2010)
Type: Head Studs
Reinforce your engine. Maintain seal integrity under boost. The Gator HD220 Head Stud Kit is designed to strengthen the cylinder head clamping system on 2008–2010 6.4L Power Stroke trucks. Built from proprietary HD220 alloy with a 220,000 PSI tensile strength rating, this kit replaces factory head bolts that can stretch under elevated cylinder pressure.
The 6.4L Power Stroke is known for generating significant cylinder pressure—especially when tuned or towing heavy loads. Factory bolts can lose clamping force over time due to heat cycles and boost levels. Upgrading to HD220 head studs helps maintain consistent head gasket sealing, reducing the risk of compression loss and costly engine repairs.
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
Technical Specifications
| Product Type | Heavy-Duty Head Stud Kit |
| Material | Gator Proprietary HD220 Alloy |
| Tensile Strength | 220,000 PSI |
| Thread Design | Precision-Rolled After Heat Treatment |
| Finish | Black Oxide Corrosion-Resistant Coating |
| Installation Kit | Includes 12-Point Nuts, Hardened Washers, Assembly Lube & Torque Guide |
What’s Included
- Gator HD220 head studs
- Heavy-duty 12-point nuts
- Hardened washers
- Gator Juice assembly lubricant
- Detailed torque sequence instructions
Features
- HD220 alloy construction rated at 220,000 PSI tensile strength
- Thread rolling completed after heat treatment for enhanced durability
- Black oxide coating to resist corrosion and environmental wear
- Designed to withstand high boost and extreme thermal cycling
- Complete installation hardware included for accurate torque application
Benefits
- Prevents head bolt stretch and head gasket failure
- Maintains consistent cylinder head clamping under heavy load
- Supports performance tuning and upgraded turbo applications
- Improves long-term reliability in work and performance trucks
- Provides added confidence when pushing your 6.4L Power Stroke harder
Installation Notes
- Professional installation recommended.
- Follow included torque sequence and manufacturer specifications.
- Inspect head gasket and mating surfaces during installation.
Important Notes:
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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.
