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01-04 GM 6.6L Duramax Promaxx Aluminum Cylinder Head

Fits: 2001-2004 GM 6.6L Duramax LB7 

ProMaxx Performance has the answer for the epidemic of cracked GM Duramax 6.6L cylinder heads. Designed by ProMaxx from an OE casting, ProMaxx improved the casting strength with greater thickness in all crack prone areas. Developed as a direct bolt-on replacement for fractured factory heads, ProMaxx Duramax cylinder heads are available as a fully-machined bare casting or fully assembled and pressure checked.

Promaxx CHE872N

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