Fleece Performance LB7 Duramax Cylinder Head with Cupless Injector Bore – Passenger Side

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) Freedom Series Duramax Cylinder Head with Cupless Injector Bore for 2001-2004 LB7 (Passenger Side) Recommended Cross Sell Skus - FPE-BRAB-D1/FPE-DUR-S2-PROD/FPE-LB7-63

• Cupless injector bore - no injector cups to leak again ever!
• New valves, valve guides, new springs, and new valve seals
• Precision ground valves with a 45 degree angle
• Pressure and leak tested
• New aluminum casting
• CNC cut

Upgrade your 2001-2004 LB7 Duramax engine with the Fleece Performance Freedom Series cylinder head, featuring a revolutionary cupless injector bore design that eliminates the need for injector cups, reducing leak risks and simplifying installation. Crafted from a new aluminum casting in our advanced Freedom Racing Engine shop, this cylinder head guarantees durability and performance that meet or surpass factory standards. Each head undergoes meticulous inspection, pressure testing, and leak testing to ensure optimal operation. Equipped with new valves, valve guides, springs, and valve seals, the head delivers reliable performance for daily driving or towing applications. The CNC-cut, multi-angle valve job with a 45-degree angle provides precise airflow and combustion efficiency, enhancing engine responsiveness and power output. For installation, it is recommended to use GM head gaskets GM 12637788 (Grade C, Right) and GM 12637785 (Grade C, Left) for a proper seal and fit. Designed specifically for passenger side applications, this cylinder head is an ideal upgrade for enthusiasts seeking improved durability and performance in their Duramax LB7 engines. Whether rebuilding or upgrading, this head offers a cost-effective, leak-free solution with the latest cupless injector technology, ensuring a long-lasting, reliable engine performance.

Features:

• Cupless injector bore - no injector cups to leak again ever!

• New valves, valve guides, springs, and valve seals

• Precision ground valves with a 45 degree angle for optimal airflow

• Pressure and leak tested to ensure reliability

• Constructed from a new aluminum casting for durability

• CNC cut for precise fit and performance

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1