FLEECE PERFORMANCE FREEDOM SERIES DURAMAX CYLINDER HEAD: 2001–2004 GM LB7

The Fleece Performance Freedom Series cylinder heads for the LB7 6.6L Duramax now comes with a cupless injector bore that simplifies cylinder head replacement and saves time and money with no more injector cups to install, leak, or worry. Each cylinder head is assembled from a new casting in the 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 
• New aluminum casting
• New valves, valve guides, new springs, and new valve seals
• CNC cut, multi-angle valve job

Application: 2001–2004 GM LB7