Product Overview
Freedom Series cylinder heads for the LB7 6.6L Duramax now with a cupless injector bore – save time and money with no more injector cups to install, leak, or worry about.
Key Benefits
- Freedom Series Duramax Cylinder Head with Cupless Injector Bore for 2001-2004 LB7 (Passenger Side)
- Cupless injector bore – no injector cups to leak again ever!
- New aluminum casting
- New valves, valve guides, new springs, and new valve seals
- CNC cut, multi-angle valve job
Product Details
Each cylinder head is assembled from a new casting 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.
Features:
Installation Notes:
- We recommend using GM 12637788 head gasket (Grade C, Right) and GM 12637785 head gasket (Grade C, Left)
Warranty:
- 1 Year Limited Parts Warranty
- Brand: Fleece Performance
- Manufacturer SKU: FPE-61-10001-P-CL
- UPC: 670875718159
- Product Type: Cylinder Head
- Material: Aluminum
- Weight: 45 lb
- Package Dimensions: 23 × 15 × 12 in
- Warranty: 1 Year Limited Warranty
Installation Resources
Vehicle Fitment
| Year | Make | Model | Engine |
|---|---|---|---|
| 2001, 2002, 2003, 2004 | 6.6L Duramax, 6.6L LB7 |
Verify fitment before ordering. Emissions, warranty, and installation requirements may vary by vehicle and location.





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