PPE Power Cylinder Head Bare - LLY LBZ LMM Cast Iron - No valve Seat Machining 110100063

Fits: 2004.5-2010 GM 6.6L Duramax

LB7 cast iron cylinder head with no valvetrain components or valve seats. It requires a custom valve job applied either directly to the cast iron surface or pocket machining with desired tolerances for the intake and exhaust valve seats being used. It does not come with valves, springs, or locks. Valve guides and freeze plugs are included.