New Loaded Cylinder Heads – LBZ Duramax 6.6L

GM Duramax – LBZ 2006-2007.5 – New Cylinder Heads Loaded w/ Valve Train

This product listing contains the following part(s) for the GM Duramax LBZ applications:

• (2) Brand New Cylinder Heads with All New Valve Train Components
  • All New Valves, Springs, Seats, Seals, Retainers, and Keepers
  • All of our heads are brand new with complete valve train including black nitride coated valves.
  • Limited 1-Year Warranty

Special Notes about the Product(s):

• Please verify your engine model before purchasing. The 2006 GM Duramax Engine can be either a LLY or LBZ. This cylinder head WILL NOT work for LLY engine applications. If you do not know which engine you have, please give us a call, at 1-855-474-9400, before ordering!

This product listing is for the GM Duramax LBZ in the following application(s):

• GM Duramax 6.6L – 2006-2007.5 – LBZ VIN Code ‘D’
• LBZ head casting number 476-1
• 
• The ‘LBZ’ engine is identified with the connector key as above on the injector (the circled portion).