2004.5-2010 GM 6.6L Duramax Cast Iron Cylinder Head (One) LLY/LBZ/LMM Air Intakes and filters Friction - O/D Allomatic

Friction - O/D Allomatic

Thanks to our waterproof plug and play wiring harnesses

Limit transmission gear hunting and access all five gears

LBZ/LMM Duramax High Pressure Injection Line (Number 1 and Number 8)

2013 Ram 2500 ST Standard Cab Pickup

2004.5-2010 GM 6.6L Duramax Cast Iron Cylinder Head (One) LLY/LBZ/LMM Air Intakes and filters Friction - O/D Allomatic50 States Emissions Legal (E. O. D 701 38). The OEM Duramax cast aluminum cylinder heads fall short over time the different heat expansion rates between cast iron engine block and cast aluminum cylinder head cause head gasket scrubbing, and eventually blown head gaskets. The aluminum cylinder heads are also prone to warping, melting, and or cracking in high performance applications where excessive heat is introduced. PPE's new Cast Iron Cylinder Head