2011-2016 GM 6.6L Duramax Cast Iron Cylinder Head One LML PPE

2011-2016 GM 6.6L Duramax Cast Iron Cylinder Head One LML PPE50 States Emissions Legal (E. O. D 701 PENDING) 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

Center Link (Welded and Drilled) With Puller (158016000)

44MM Water-Cooled (516011000)

the oil will keep its viscosity

2008 2009 6

Dress up your boring

Factory coolant hose T fittings are molded hose or made out of plastic and are prone to cracking at junctions

Heavy Duty Transfer Case Pump Housing (129021115)

Significant reduction in exhaust back-pressure

and transmission oil pans

25-inch-tall extra fine 2-micron filtration media

An unsecured Down-Pipe that moves can come in contact and damage the Up-Pipe bellow even under normal driving conditions

Triangulated gussets add rigidity to gear housing