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
  • LBZ engine connector
  • The ‘LBZ’ engine is identified with the connector key as above on the injector (the circled portion).

DK Engine Parts offers a variety of engine parts and kits for most GM Duramax applications and engine models.  Please take a look at what we offer on our website and feel free to call us anytime with questions regarding items listed on our website.  Also note that we offer more parts then what is currently listed on our website.  If you do not see what you are looking for, please do not hesitate to call us at 1-855-474-9400.  We have knowledgeable salesmen on standby to assist you with any questions you might have.

DK Engine Parts Home Page

Additional information

Weight 85 lbs
Dimensions 24 × 12 × 12 in


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