Vendor : Fleece Performance
Product Type : Heads
Sku : FPEFPE-61-10001-P-CL
Couldn't load pickup availability
ALL NEW! 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. Each cylinder head is assembled from a new casting in our state-of-the-art Freedom Racing Engine shop and is guaranteed 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 Cupless injector bore - no injector cups to leak again ever! New aluminum casting New valves, valve guides, new springs, and new valve seals Pressure and leak tested Precision ground valves with a 45 degree angle CNC cut, multi-angle valve job Installation Notes We recommend using GM 12637788 head gasket (Grade C, Right) and GM 12637785 head gasket (Grade C, Left)
WarrantyThis Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2001-2004 | Chevrolet | Silverado 2500 HD | Base |
| 2001-2004 | Chevrolet | Silverado 2500 HD | LS |
| 2001-2004 | Chevrolet | Silverado 2500 HD | LT |
| 2004 | Chevrolet | Silverado 2500 HD | WT |
| 2001-2004 | Chevrolet | Silverado 3500 | Base |
| 2001-2004 | Chevrolet | Silverado 3500 | LS |
| 2001-2004 | Chevrolet | Silverado 3500 | LT |
| 2004 | Chevrolet | Silverado 3500 | WT |
| 2002-2004 | GMC | Sierra 2500 HD | Base |
| 2001-2002 | GMC | Sierra 2500 HD | SL |
| 2001-2004 | GMC | Sierra 2500 HD | SLE |
| 2001-2004 | GMC | Sierra 2500 HD | SLT |
| 2003-2004 | GMC | Sierra 2500 HD | WT |
| 2002-2004 | GMC | Sierra 3500 | Base |
| 2001-2002 | GMC | Sierra 3500 | SL |
| 2001-2004 | GMC | Sierra 3500 | SLE |
| 2001-2004 | GMC | Sierra 3500 | SLT |
| 2004 | GMC | Sierra 3500 | WT |
We will be temporarily closed from Monday 10th August until Friday 21st August 2026 while we relocate to our new premises and carry out our annual stock take. Our website will remain open and you are welcome to place orders during this period. However, new orders placed between 11th and 21st August will not be processed or dispatched until we reopen. Please note: Any orders currently open and already in our system will continue to be processed as normal and will not be affected by the temporary closure. If you have an urgent order or require something that cannot wait until we reopen, please contact us via our website chat or email. We will do our best to assist wherever possible. Normal service will resume on Saturday 22nd August 2026. We apologise for any inconvenience this may cause and greatly appreciate your patience and continued support while we complete our relocation and annual stock take. Thank you for your understanding and continued support.
