New Pair Ford 6.4 Turbo Diesel Cylinder Heads O-Ring Upgrade W/ Performance Valves and Springs

New Pair Ford 6.4 Turbo Diesel Cylinder Heads O-Ring Upgrade W/ Performance Valves and Springs

Enhance the performance and reliability of your Ford 6.4 Powerstroke Turbo Diesel engine with these brand-new, top-of-the-line cylinder heads featuring O-Ring and Valvetrain upgrades.

This is a pair of brand-new cylinder heads designed for the Ford 6.4L Powerstroke. These heads feature a precision O-Ring upgrade to prevent head gasket failure, paired with high-performance nitrided valves and heavy-duty springs for maximum engine efficiency and durability.

🛠️ 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 (No remanufactured parts)
• Quantity: Pair (2 Cylinder Heads)
• Engine Compatibility: Ford 6.4L Powerstroke Turbo Diesel (18mm Dowel Pin)
• Surface Upgrade: Precision O-Ring Head Surface (Prevents gasket failure)
• Valve Material: Nitrided Austenitic Stainless Steel (EV8 Intake / EV16 Exhaust)
• Valve Finish: Polished stem and top with hardened tips (50 HRc min)
• Spring Material: SWOSC-V Performance Wire
• Spring Specs: 84 lbs Closed @ 1.880″ / 230 lbs Open @ 1.440″

🚘 Fitment Applications

Designed specifically for Ford 6.4L Powerstroke Engines with 18mm Dowel Pins:

• Ford F-250 Super Duty: 2008-2010
• Ford F-350 Super Duty: 2008-2010
• Ford F-450 / F-550 Super Duty: 2008-2010