Fleece Freedom Series Cylinder Head w/Cupless Injector Bore – Driver Side (FPE-61-10001-D-CL) for 2001-2004 Duramax LB7
$1,206.45
The Fleece Freedom Series Cylinder Head with Cupless Injector Bore (Driver Side, FPE-61-10001-D-CL) is a high-quality replacement for 2001–2004 GM 6.6L Duramax LB7 engines. It features a cupless injector design to prevent coolant leaks and injector issues, and is made from premium materials with precision machining for excellent fit and durability. Each head is rigorously pressure-tested for reliability, making it ideal for both stock restorations and high-performance upgrades.
The Fleece Freedom Series Cylinder Head with Cupless Injector Bore – Driver Side (FPE-61-10001-D-CL) is a high-performance replacement component designed specifically for 2001-2004 GM 6.6L Duramax LB7 engines. Engineered to address common factory shortcomings, this cylinder head features a cupless injector bore design that eliminates the need for traditional injector cups, reducing the risk of coolant leaks and injector-related issues. Manufactured from premium materials and precision-machined for superior fitment and durability, it is an ideal solution for both stock and high-performance builds. Each Freedom Series head undergoes rigorous quality control and is pressure-tested to ensure optimal sealing and long-term reliability. Whether you’re restoring your LB7 or upgrading for enhanced performance, the Fleece Freedom Series Cylinder Head offers exceptional craftsmanship and peace of mind.
| Weight | 45 lbs |
|---|---|
| Dimensions | 23 × 15 × 12 in |
Fitment
- 2001 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
- 2002 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
- 2003 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
- 2004 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
Features
- 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
Installation
- We recommend using GM 12637788 head gasket (Grade C, Right) and GM 12637785 head gasket (Grade C, Left)
