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T304 Stainless Steel
The Purest Stainless Steel used in Exhaust System Manufacturing
High Rust Resistance
Lasts Up To 20+ years
Looks Better

T409 Stainless Steel
The Standard Stainless Steel used in Exhaust System Manufacturing
Low Rust Resistance
Lasts Up To 5-8 Years
Looks Dull
Attention
A 2022 Cummins Tune Package was added to your cart. This tune is a beta tune that may cause the following:
- Low power
- Poor fuel mileage
- Engine codes that may appear
- Poor shifting characteristics
For a tested and proven tune, please view our Ram Cummins 6.7L All-in-One DPF/DEF/EGR Delete Kit w/ECM Swap (2022-2024)
Ford Powerstroke 6.4L — Gator Head Studs (2008–2010)
Protect your 6.4L Power Stroke engine from head gasket failures with confidence. The Gator HD220 Heavy Duty Head Stud Kit is specifically engineered to replace factory head bolts with high-strength studs designed to maintain a secure cylinder head seal under increased boost and aggressive tuning conditions.
Key Features:
- High-Strength HD220 Alloy — 220,000 PSI: Manufactured from Gator’s proprietary HD220 alloy, providing industry-leading tensile strength that surpasses traditional 8740 chromoly for exceptional clamping force under extreme cylinder pressures.
- Precision-Rolled Threads: Threads are rolled after heat treatment to preserve the alloy’s grain structure, ensuring maximum fatigue resistance and long-term durability.
- Corrosion Protection: Each stud features a black oxide coating to resist rust and corrosion in harsh operating environments.
- Complete Installation Kit: Includes heavy-duty 12-point nuts, hardened washers, Gator Juice assembly lubricant, and detailed torque sequences for consistent and reliable installation.
Why Upgrade Factory Head Bolts?
Factory head bolts are prone to stretching under high boost, which can lead to blown head gaskets, compression loss, and costly repairs. The Gator HD220 Head Stud Kit provides the increased clamping force necessary to maintain a secure seal, delivering peace of mind whether towing, working, or running high-performance modifications.
Vehicle Compatibility:
- 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
Built for Demanding Applications
Whether relying on your Power Stroke for heavy towing, daily driving, or high-performance builds, the Gator HD220 Head Stud Kit delivers the strength, durability, and reliability necessary to keep your engine sealed and protected in the most challenging conditions.
Important Product Information
Off-Road Use Only: The products sold on this website are intended for off-road use only, and may not be legal for use on public highways where pollution control laws apply.
Check Local Laws: Before purchasing and installing any of these parts, please check your local and state laws to confirm whether the modifications are legal in your area.
Professional Installation Recommended: These kits and parts are strongly recommended to be installed by professional mechanics only. Improper installation may lead to performance issues or damage to your vehicle. Unless specified differently on the product page, our parts do not include installation instructions. They are intended for individuals with a proficient understanding of mechanical systems and procedures. Like many aftermarket parts compatible with a variety of vehicles, minor adjustments or modifications may be necessary during the installation process. We cannot accept returns or offer refunds on the basis of an inability to complete the installation due to the absence of instructions.
Warranty: The use of these parts will void the warranty of your vehicle. Please confirm with your vehicle manufacturer before purchase and installation.
No Liability: Tuner Depot is not responsible for any damage or issues that may arise from the use of these parts.
Product Images: Product images are for illustrative purposes only and may differ from the actual product due to manufacturer design changes or improvements.
No Performance Guarantees: While these parts are designed to enhance the performance of your vehicle, no guarantees are made regarding the specific performance gains that will be achieved.
Shipping Policy at Tuner Depot
At Tuner Depot, we understand the importance of timely delivery for your performance parts. We're committed to ensuring a seamless shipping experience, striving to dispatch your orders with utmost efficiency and speed.
- Weather Conditions: Adverse weather conditions such as rain, snow, or sleet may affect delivery timelines. We will make every effort to minimize any delays.
- Holiday Periods: Please note that our shipping center will be closed during holidays. We will resume shipping promptly on the next business day. Allow for potential delays during peak seasons, but rest assured, we will keep you informed every step of the way.
- Staff Availability: Unforeseen circumstances can occasionally affect our staffing levels, possibly leading to minor delays. We are committed to swiftly resolving any issues to maintain our high standards of service.
- Choosing a selection results in a full page refresh.