2007.5-2010 GM 6.6L LMM Duramax Replacement & Performance Cylinder Heads

Fits: 2004.5-2010 GM 6.6L Duramax LLY/LBZ/LMMThe PPE Cast Iron Cylinder Head are an upgraded for the worn out or leaking cylinder head in your 2004.5-2010 Gm 6.6L Duramax. This cast iron cylinder head has a valvetrain with chromoly-silicone alloy intake valves and 214N alloy exhuast valves that have..

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with ..

Introducing our Freedom Series cylinder heads for the 6.6L Duramax! Each cylinder head is manufactured in our state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. All heads are meticulously inspected, pressure and leak tested, and are equipped with ..

Valve Guide Seal, LB7/LLY/LBZ/LMM/LML, 2001+ DuramaxDURAMAX Valve Guide Seal-32 per engine-16 per head Part number: 13939..