PPE Cast Iron Cylinder Heads 01-04 GM 6.6L Duramax LB7 RCT-4037002 exactly the opposite of what

exactly the opposite of what you need

The health of the water pump is often over looked when trying to diagnose overheating issues

Increase the power holding capabilities of your Allison 1000 transmission with the CoPilot from ATS

which can be difficult to get to match your factory interior

If your plug needs replaced

PPE Cast Iron Cylinder Heads 01-04 GM 6.6L Duramax LB7 RCT-4037002 exactly the opposite of whatIf it becomes the unfortunate time for you to replace heads in your LB7 Duramax, look no further than the PPE Cast Iron Cylinder Head. This cylinder head offers the same heat expansion rate as the OEM cast block that completely resolves the common head gasket scrubbing issue. The specialty alloyed gray cast iron liquid cooled cylinder head has elevated strength in higher temperatures with creep resistance so blown head gaskets are a thing of the past.