Product Overview
Introducing our Freedom Series cylinder heads for the 2017 – 2023 L5P 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is designed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with new valves, valve guides, springs, and valve seals. Perfect for the daily driver or towing application. No core charge!
Features:
Key Benefits
- Re-manufactured OE casting
- New valves, valve guides, springs, and valve seals
- Pressure and leak tested
- Multi-angle valve job
Product Details
Installation Notes:
- We recommend using GM head gasket (Grade C, 12727486)
Warranty:
- 1 Year Limited Parts Warranty
- Brand: Fleece Performance
- Manufacturer SKU: FPE-61-10014-D
- UPC: 732777408917
- Product Type: Cylinder Head
- Weight: 45 lb
- Package Dimensions: 23 × 15 × 12 in
- Warranty: 1 Year Limited Warranty On Parts
Vehicle Fitment
Vehicle applications are listed below. Trim names appear in the Submodel column when available. Check all vehicle details before ordering.
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017–2021 | GMC | Sierra 2500 HD | Not specified |
| 2017–2021 | GMC | Sierra 3500 HD | Not specified |
| 2017–2023 | Chevrolet | Silverado 2500 HD | High Country |
| 2017–2023 | Chevrolet | Silverado 2500 HD | LT |
| 2017–2023 | Chevrolet | Silverado 2500 HD | LTZ |
| 2017–2023 | Chevrolet | Silverado 2500 HD | WT |
| 2017–2023 | Chevrolet | Silverado 3500 HD | High Country |
| 2017–2023 | Chevrolet | Silverado 3500 HD | LT |
| 2017–2023 | Chevrolet | Silverado 3500 HD | LTZ |
| 2017–2023 | Chevrolet | Silverado 3500 HD | WT |
| 2017–2023 | GMC | Sierra 2500 HD | Denali |
| 2017–2023 | GMC | Sierra 2500 HD | SLE |
| 2017–2023 | GMC | Sierra 2500 HD | SLT |
| 2017–2023 | GMC | Sierra 3500 HD | Denali |
| 2017–2023 | GMC | Sierra 3500 HD | SLE |
| 2017–2023 | GMC | Sierra 3500 HD | SLT |
| 2020–2023 | Chevrolet | Silverado 2500 HD | Custom |
| 2020–2023 | GMC | Sierra 2500 HD | AT4 |
| 2020–2023 | GMC | Sierra 3500 HD | AT4 |
| 2022–2023 | GMC | Sierra 2500 HD | Pro |
| 2022–2023 | GMC | Sierra 3500 HD | Pro |








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