6.6 LLY / LBZ / LMM Duramax Loaded Stock Cylinder Head | 2005-2010 Chevy/GMC Duramax LLY/LBZ/LMM

These heads are a direct replacement for your old and worn out LLY, LBZ, & LMM 6.6L Duramax heads. We perform the following tests and procedures on each head: All fuel rails are drilled and checked, All heads are push rod clearance, glow plugs and injectors are test fit, all recession depths are checked, all heads are pressure tested, all holes are tapped including glow plug threads and each head gets an in-house valve job.

These fully loaded heads feature, brand new valves, iron guides, valve seats, valve stem seals, and springs. Each head is shipped ready to install and requires no upfront core. (Cylinder Heads sold Individually.)

Note: A LIKE CYLINDER HEAD CORE IS REQUIRED IN EXCHANGE.

Features:

• Fully Loaded Head
• New Valves, Springs, and Viton Seals
• 3 Angle Valve Job
• Brand New Components, and Reman Castings
• Assembled In USA
• 1 Year Unlimited Mile Warranty