Cast Iron Cylinder Head
• 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMM
• No Seats or Valves
  
  

  PPE Power 110100063 Features:

• Specially alloyed gray cast iron liquid-cooled cylinder head
• Superior heat resistance and creep resistance
• Eliminates head gasket scrubbing issue (blown head gasket)
• Better thermal efficiency and fuel efficiency than factory aluminum heads
• Higher fatigue strength and heat resistance
• Upgraded springs for better responsiveness
• Valve guides and freeze plugs are installed
• No valve seats or seat pockets included - requires custom valve job on the cast iron surface or pocket machining for valve seats

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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