Original price was: $1,800.00.Current price is: $1,500.00.

In Stock


Enhance your Ford 6.0 Powerstroke engine with our premium Ford 6.0 diesel cylinder head O-ring. Engineered for durability and exceptional performance, these cylinder heads are perfect for high-demand diesel applications. Sold as a pair, they ensure balanced and optimized engine performance.

Key Features:

  • Sold as a Pair: Our cylinder heads come in pairs to guarantee balanced performance.
  • 20mm Dowel: Specifically designed for seamless compatibility with the Ford 6.0 Powerstroke engine.
  • Precision Pressure Testing: Each cylinder head undergoes rigorous pressure testing at 30 PSI, and the fuel rails are tested at 70 PSI to ensure maximum reliability.
  • Superior Quality Assurance: Utilizing state-of-the-art equipment, we meticulously clean, inspect, and machine each cylinder head to meet the highest standards.

For the best results, use Ford head gaskets with our O-ring heads and ARP studs. This combination maintains the integrity and performance of your Ford 6.0 Powerstroke engine.

Detailed Product Information

Comprehensive Pressure Testing:

We conduct thorough pressure testing on every Ford 6.0 diesel cylinder head O-ring at 30 PSI, ensuring no leaks and optimal performance. Additionally, we test the fuel rails at 70 PSI to guarantee they can handle high-pressure conditions reliably.

18mm Dowel Fitment:

Our cylinder heads come with an 20mm dowel, ensuring a perfect fit for your Ford 6.0 Powerstroke engine. This precise fitment is crucial for maintaining the engine’s performance and reliability.

Advanced Quality Assurance Processes:

  • Cleaning and Inspection: We meticulously clean and inspect each cylinder head to remove impurities and identify potential issues.
  • Precision Machining: Using the latest Serdi or Sunnen seat and guide machines, we perform all necessary seat and guide work to ensure a perfect fit.
  • Surface Finishing: The heads are resurfaced with a Rottler CBN machine to achieve the required RMA finish.
  • Valve Sealing: We install high-quality valve seals and pull a vacuum on each valve to ensure a perfect seal between the valve and the seat.

Core Return Process:

We require a core return within 30 days. We make it easy by providing a prepaid FEDEX peel-and-stick return shipping label with your invoice. Simply put your old cylinder head in the box you received your new/rebuilt head in, attach the prepaid label, and give it to any UPS driver or drop it off at any UPS pickup point. We accept your old cylinder head regardless of its condition, as long as it includes all the parts that the new head came with. There are no upfront core charges or additional fees for damaged heads.

Shipping Information:

  • Rates: Shipping rates apply to the continental United States only. For Alaska, Hawaii, Guam, Virgin Islands, and Puerto Rico, please call or email for shipping rates.
  • International Shipping: We ship worldwide. For international inquiries, include your city, country, and postal code when requesting shipping fees.
  • Inclusive Pricing: Our shipping price includes insurance, packaging, and handling.


Clearwater Cylinder Head Inc. provides a comprehensive 2-year unlimited mileage warranty. A copy of the warranty card is included with your invoice. Please review the warranty terms carefully to understand the coverage.

Signs You Need a New Cylinder Head

Weak Engine Performance:

  • Symptoms: Lower gas mileage, sluggish acceleration, and difficulty climbing inclines.
  • Action: This is often the first sign of a cracked cylinder head. Addressing it early can allow for repair rather than replacement.

Oil Leakage:

  • Symptoms: Puddles of oil under the vehicle after it has been parked.
  • Action: A leaking cylinder head can usually be repaired unless oil has backed up into the engine, causing further damage.

Coolant Leakage:

  • Symptoms: Puddles of coolant beneath the car or an overheating warning on the dashboard.
  • Action: If caught early, a cracked cylinder head can often be repaired before coolant contamination causes more extensive damage.

Engine Misfires:

  • Symptoms: Engine dying repeatedly during use or failing to start.
  • Action: Misfires indicate severe damage. Immediate repair or replacement is necessary to prevent further engine damage.

White Smoke:

  • Symptoms: White smoke emanating from the engine.
  • Action: This is a sign of catastrophic failure and requires immediate cylinder head replacement to prevent further damage.

Why Choose Clearwater Cylinder Head Inc.?

Experience & Expertise:

With over 25 years of experience, Clearwater Cylinder Head Inc. (CCH) specializes in providing top-quality, warranty-backed rebuilt cylinder heads for various vehicles, including cars, trucks, and boats.

Extensive Inventory:

We maintain a massive stock of cylinder heads for all makes and models. If you don’t see the cylinder head you need, contact us at 1-800-572-1963, and our knowledgeable staff will assist you.

Custom Rebuilds:

Have a rare or hard-to-find cylinder head? We can rebuild it for you, ensuring it meets our high standards of quality and performance.

Dedicated Customer Support:

Our friendly and knowledgeable staff is ready to help you find the right cylinder head for your vehicle. We pride ourselves on exceptional customer service and technical support.

How to Choose the Best Cylinder Head


  • Ensure the cylinder head is designed for your car’s specific make, model, year, engine size, and enhancements.
  • Match the cylinder head metal (aluminum or cast iron) with your engine block for optimal performance.

Intake and Exhaust Port Volumes:

  • Select the appropriate intake port volume for your engine size and application.
  • Choose a good-flowing exhaust port that matches the stock exhaust port volume and valve size.

Combustion Chamber Size and Design:

  • Select a combustion chamber size that raises the compression ratio for maximum efficiency.
  • Ensure compatibility with your engine’s components, such as bore, stroke, head gasket, piston shape, deck clearance, and ring location.


  • Decide the primary application for your engine, whether for street, off-road driving, or racing.
  • Adjust valve lift, airflow, and duration to fit your specific needs.

Reputable Dealer:

  • Trust reputable dealers like Clearwater Cylinder Head Inc. (CCH) for quality and warranty-backed cylinder heads.
  • Contact CCH at 1-800-572-1963 or email cchcylheads@aol.com for expert assistance.

Contact Information

Clearwater Cylinder Head Inc. 5100 Ulmerton Road #2 Clearwater, FL 33760 USA Phone: 1-800-572-1963 Email: cchcylheads@aol.com

Hours of Operation: Monday – Friday, 8 AM to 5 PM EST

Learn More About Diesel Engines:

For an in-depth look at the 6.0 Powerstroke, visit our Blog

Explore More Products:

For more information on the history of the 6.0 Powerstroke Engine

Clearwater Cylinder Head Inc. – The Cylinder Head Repair Experts

Trust our expertise and commitment to quality for all your cylinder head needs.