Precision ground stock valves with 45° intake & exhaust angles
Fully pressure tested and leak checked
Includes new valve guides, springs, and valve seals
Multi-angle valve job for optimal airflow
Manufactured in a state-of-the-art performance engine shop
No core charge required
Revitalize the performance and reliability of your 2006–2010 GM 6.6L Duramax with the Fleece Freedom Series Passenger Side Cylinder Head. Engineered for longevity and performance, this premium replacement cylinder head is crafted at Fleece’s renowned Freedom Racing Engine facility using cutting-edge machining processes. Every unit is built to meet or exceed OEM specifications, ensuring seamless compatibility and peace of mind for your daily driver or towing vehicle.
Designed with stock-style valves and a 45° angle on both the intake and exhaust ports, this cylinder head offers optimized airflow and efficient combustion. Whether you’re replacing a worn factory head or enhancing your Duramax for dependable power, this drop-in upgrade is the smart choice.
Every Freedom Series cylinder head is:
Thoroughly inspected for casting flaws and wear
Pressure and leak tested to ensure integrity under heat and load
Outfitted with new valve guides, seals, and springs for a long service life
Finished with a multi-angle valve job for improved sealing and flow dynamics
The result? Enhanced durability, consistent performance, and confidence in your truck’s powertrain.
2006–2010 GM Silverado 2500HD / 3500HD & Sierra 2500HD / 3500HD with 6.6L Duramax (Passenger Side Cylinder Head)
1-Year Limited Parts Warranty
Property | Values |
---|---|
Year Ranges | 2006-2010 |
Make | GM/Chevrolet/GMC |
Model | Silverado/Sierra |
Series | 2500HD/3500HD |
Engine | 6.6L Duramax LBZ/6.6L Duramax LMM |
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