ProMaxx Performance GM 6.5L Diesel Cylinder Heads

Replace Your Cracked GM 6.5L Cylinder Heads

ProMaxx Performance has the answer for your cracked GM 6.5L Cylinder Heads. They have developed and designed this new cylinder head from the OE casting but improved the casting strength and thickness in all the crack-prone areas. The direct bolt-on cast iron Cylinder Heads replace your difficult-to-access fractured factory cylinder heads.