2001-2004 GM 6.6L Duramax Cast Iron Cylinder Head (One) LB7 - 110100101 2012-gmc-sierra-2500-hd-esi5294047 Compatible with biodiesel

Compatible with biodiesel

the PPE Cast Iron Cylinder Head is undoubtedly the best choice

Year Make Model Submodel Notes 2001 Chevrolet Silverado 2500 2002 Chevrolet Silverado 2500 2003 Chevrolet Silverado 2500 2004 Chevrolet Silverado 2500 2001 GMC Sierra 2500 SL 2002 GMC Sierra 2500 SL 2001 GMC Sierra 2500 SLT 2002 GMC Sierra 2500 SLT 2003 GMC Sierra 2500 SLT 2004 GMC Sierra 2500 SLT 2001 GMC Sierra 3500 SLT 2002 GMC Sierra 3500 SLT 2003 GMC Sierra 3500 SLT 2004 GMC Sierra 3500 SLT 2001 GMC Sierra 3500 SLE 2002 GMC Sierra 3500 SLE 2003 GMC Sierra 3500 SLE 2004 GMC Sierra 3500 SLE 2001 GMC Sierra 2500 SLE 2002 GMC Sierra 2500 SLE 2003 GMC Sierra 2500 SLE 2004 GMC Sierra 2500 SLE 2001 Chevrolet Silverado 3500 2002 Chevrolet Silverado 3500 2003 Chevrolet Silverado 3500 2004 Chevrolet Silverado 3500 2001 GMC Sierra 3500 SL 2002 GMC Sierra 3500 SL 2001 Chevrolet Silverado 3500 LT 2002 Chevrolet Silverado 3500 LT 2003 Chevrolet Silverado 3500 LT 2004 Chevrolet Silverado 3500 LT 2001 Chevrolet Silverado 2500 LT 2002 Chevrolet Silverado 2500 LT 2003 Chevrolet Silverado 2500 LT 2004 Chevrolet Silverado 2500 LT 2001 Chevrolet Silverado 3500 LS 2002 Chevrolet Silverado 3500 LS 2003 Chevrolet Silverado 3500 LS 2004 Chevrolet Silverado 3500 LS 2001 Chevrolet Silverado 2500 LS 2002 Chevrolet Silverado 2500 LS 2003 Chevrolet Silverado 2500 LS 2004 Chevrolet Silverado 2500 LS 2002 GMC Sierra 3500 2003 GMC Sierra 3500 2004 GMC Sierra 3500 2002 GMC Sierra 2500 2003 GMC Sierra 2500 2004 GMC Sierra 2500 2003 GMC Sierra 2500 WT 2004 GMC Sierra 2500 WT 2004 Chevrolet Silverado 3500 WT 2004 Chevrolet Silverado 2500 WT 2004 GMC Sierra 3500 WT

Up to five power levels of additional horsepower and torque (depending on vehicle year)

2001-2004 GM 6.6L Duramax Cast Iron Cylinder Head (One) LB7 - 110100101 2012-gmc-sierra-2500-hd-esi5294047 Compatible with biodiesel50 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 LB7 Cast Iron Cylinder