2001-2004 GM 6.6L Duramax Cast Iron Cylinder Head (One) LB7

2001-2004 GM 6.6L Duramax Cast Iron Cylinder Head (One) LB750 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

Dyno improvements of as much as 15 horsepower by switching to a dry sump oil system

5-05 LLY Nozzle Set: 30 percent over

MAHLE utilizes OE equivalent or better materials in all their gasket sets providing you with the Best Solution for your sealing needs

We observed up to 40°F temperature drop with a PPE cooler installed

Note: Due to the 6mm wall thickness

Duramax 17-21 L5P Stock Replacement Injector - Single

Cummins 4BT with P-Pump Nozzle Set: Nozzles can support up to 480 RWHP

2004-2007 Ford Powerstroke 6

2003-2010 6

Utilizing the longest radius in the industry

Get a grip

reduced back pressure at the manifolds