Fleece's freedom series cylinder heads provide a permanent solution to the problematic injector cups by eliminating them altogether. These cylinder heads are built from brand new castings inside of Fleece's state of the art engine shop and are guaranteed to meet or exceed the oem specifications for optimal performance and reliablity.
These cylinder heads are CNC machined with a multi angled valve job prior to being fitted with all new valves, guides, seals and springs and are pressure tested and checked for leaks prior to leaving their facility.
Fleece recommends these to be installed with OE or equivalent grade C head gaskets.
Features & Benefits:
- Increased Reliability & Performance
- Bolt On Installation
- Eliminates All Cup Related Issues
- New Aluminum Casting
- Pressure & Leak tested
- Perfect For All Applications
- No Core Charge
- Direct Fit For The 2001-2004 LB7 Duramax
