Freedom Series Duramax Cylinder Head with Cupless Injector Bore for 2001-2004 LB7 (Passenger Side)
- 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