
- Premium Remanufactured OE Casting: We start with a high-quality original equipment casting, ensuring a perfect fit and reliable foundation for your engine.
- Brand New Valve Components: Each head is equipped with new valves, valve guides, springs, and valve seals, eliminating wear-related issues and optimizing valvetrain performance.
- Rigorously Tested: Our cylinder heads undergo stringent pressure and leak testing to guarantee leak-free operation and maximum durability under demanding conditions.
- Precision Multi-Angle Valve Job: This advanced machining process optimizes airflow, leading to improved combustion efficiency and enhanced engine power.
- 1-Year Limited Parts Warranty: Drive with confidence knowing your investment is protected by Fleece's commitment to quality.

Ready to unleash the true potential of your 2017-2023 L5P Duramax? Look no further than the Fleece FPE-61-10014-P Freedom Cylinder Head (Passenger Side). Engineered and meticulously crafted in Fleece's cutting-edge Freedom Racing Engine shop, this cylinder head isn't just a replacement part—it's an upgrade designed to deliver unparalleled reliability and performance. Whether you rely on your Duramax for daily commutes or heavy-duty towing, you can trust that this Freedom Series cylinder head will meet, and often exceed, factory specifications, ensuring your truck runs smoother and stronger. Plus, with no core charge, upgrading your engine has never been easier or more cost-effective.
Premium Remanufactured OE Casting: We start with a high-quality original equipment casting, ensuring a perfect fit and reliable foundation for your engine.
Brand New Valve Components: Each head is equipped with new valves, valve guides, springs, and valve seals, eliminating wear-related issues and optimizing valvetrain performance.
Rigorously Tested: Our cylinder heads undergo stringent pressure and leak testing to guarantee leak-free operation and maximum durability under demanding [...]
- Premium Remanufactured OE Casting: We start with a high-quality original equipment casting, ensuring a perfect fit and reliable foundation for your engine.
- Brand New Valve Components: Each head is equipped with new valves, valve guides, springs, and valve seals, eliminating wear-related issues and optimizing valvetrain performance.
- Rigorously Tested: Our cylinder heads undergo stringent pressure and leak testing to guarantee leak-free operation and maximum durability under demanding conditions.
- Precision Multi-Angle Valve Job: This advanced machining process optimizes airflow, leading to improved combustion efficiency and enhanced engine power.
- 1-Year Limited Parts Warranty: Drive with confidence knowing your investment is protected by Fleece's commitment to quality.