New Pair Ford 6.4 Turbo Diesel O-Ring Cylinder Heads Stage III

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