Fleece Freedom Series Cylinder Head w/Cupless Injector Bore – Passenger Side (FPE-61-10001-P-CL) for 2001-2004 Duramax LB7
$1,149.00
The Fleece Freedom Series Cylinder Head with Cupless Injector Bore (FPE-61-10001-P-CL) is a high-performance, fully assembled replacement for 2001–2004 GM Duramax LB7 engines. Made by Fleece Performance Engineering, it eliminates injector cups to prevent fuel leaks and boost reliability. Built from premium materials and precision-machined, it suits both stock and high-horsepower setups, offering durability, strength, and easy installation for those upgrading or rebuilding their engines.
The Fleece Freedom Series Cylinder Head with Cupless Injector Bore – Passenger Side (FPE-61-10001-P-CL) is an upgraded, high-performance replacement component designed specifically for 2001-2004 GM Duramax LB7 engines. Manufactured by Fleece Performance Engineering, this cylinder head eliminates the traditional injector cups, reducing the risk of fuel leaks and improving long-term reliability. Crafted from premium materials and precision-machined for superior fit and finish, it is ideal for both stock and high-horsepower applications. The Freedom Series head comes fully assembled with new valve guides, seals, and seats, ensuring a direct, hassle-free installation. Whether you’re rebuilding your engine or enhancing its performance, this cupless cylinder head offers durability, strength, and peace of mind for Duramax LB7 owners seeking top-tier quality.
| 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)
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