Part came in and work as a champ. Price was better than all other places I look for the set. Will recommended to all my soldiers and/or buddies if they need cylinder heads replace. Thank you guys.
The experience was excellent. My part came sooner than expected and was exactly as advertised. This is how a business should be run. I would give 6 stars if I could, thank you HDPC
Replacement heads for my 3.5 EcoBoost worked perfect. The kit had everything I needed. The customer service was excellent. Highly recommend this company.
Great company!! The heads arrived in great shape with all the parts. Very quick email responses to questions, comments, and concerns. One little issue with a few parts but was taken care of promply
New Pair Ford 6.4 Turbo Diesel O-Ring Cylinder Heads Stage III
$2,800.00
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Additional Info
New Pair Ford 6.4 Turbo Diesel O-Ring Cylinder Heads Stage III
Boost the performance and longevity of your Ford 6.4 Powerstroke engine with our Stage III cylinder heads, engineered for maximum durability and extreme performance.
This is a pair of brand-new, premium cylinder heads designed to exceed OEM standards. Featuring a precision O-Ring upgrade for superior sealing, this Stage III kit includes performance valves, chromoly pushrods, and high-compression springs to handle the most demanding diesel applications.
🛠️ In-House Machining Process
- Debris-Free Preparation: Every new casting is chemically cleaned and blown out to remove all residual machining oils, metal shavings, and manufacturing debris. This ensures your oiling system remains uncontaminated from the first start-up.
- In-House Precision Machining: Unlike “shelf-stock” heads, we perform all final machine work in-house. This includes final guide sizing and precision valve seat cutting to ensure perfect geometry and clearances before the head reaches the assembly bench.
- Pressure & Integrity Testing: To go beyond the factory standard, we pressure-test every head to 60 PSI. This verifies that the casting is free of porosity leaks or internal defects that could compromise the cooling or oiling systems.
- Dimensional Inspection: Our technicians perform a multi-point inspection of the gasket-sealing surface and bore alignment. This ensures the head is perfectly flat and meets tight OEM tolerances for a flawless fit.
- Professional Assembly & Setup: Valvetrain components are installed and verified in a clean-room environment. We check spring heights and seal seating to ensure the assembly is balanced and ready for high-performance use.
- Vacuum-Seal Verification: Every intake and exhaust port is Vacuum Tested. This guarantees a 100% airtight seal between the valves and seats, ensuring maximum compression and peak performance right out of the box.
📊 Technical Specifications
- Condition: Brand New Casting
- Quantity: Pair (2 Cylinder Heads)
- Upgrade Level: Stage III Performance
- Sealing: Precision O-Ring Head Surface (Prevents head gasket failure)
- Valves: Nitride-treated Austenitic Stainless Steel & Chromium Steel (HNV3)
- Pushrods: High-performance Chromoly Steel (.080″ wall thickness)
- Springs: Heavy-duty Performance Springs with high compression resistance
- Compatibility: Fits all Ford 6.4L Powerstroke Turbo Diesel engines
🚘 Fitment Applications
Designed for Ford 6.4L Powerstroke Diesel Engines:
- Ford F-250 Super Duty: 2008-2010
- Ford F-350 Super Duty: 2008-2010
- Ford F-450 / F-550 Super Duty: 2008-2010
📦 Core Return & Warranty
- Core Process: No upfront core fee. Receive your new heads and compare them to your originals before installation. Once complete, use the pre-paid return label included in your shipment. Cores must be returned within 30 days. Click here for Core Policy.
- Warranty: Includes a 2-Year Unlimited Mileage Warranty. Click here for Warranty details.
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