Shop with Blessed Performance for the Industrial Injection Ported & Polished Cylinder Heads for 2001 to 2004 6.6L LB7 Duramax diesel pickups.
HIGHLIGHTS:
- 5 Axis CNC Cylinder Head Porting Machine with CAD/CAM software specifically designed for cylinder head porting
- Screw in injector torque lock cups
- Diamond Honed Guides
- Unshrouded Valves
- High Strength Alloy, Heat Treated iron based valve guides
- Premium valve seat inserts made from a true Nickel Based Non-Magnetic material
- multi angle valve job
- 130LB valve springs