PPE CNC Ported Cast Iron Cylinder Head For 2004.5-2010 GMC Chevy 6.6L Duramax load control then the root cause is

then the root cause is in the high pressure oil rail

These aluminum caliper covers

Internal IFP mono-tube reservoir design separates oil from nitrogen charge

This kit comes complete with a PPE Black W/ Machined Fins Deep transmission pan

PPE CNC Ported Cast Iron Cylinder Head For 2004.5-2010 GMC Chevy 6.6L Duramax load control then the root cause isThe 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. PPEs new ported Cast Iron Cylinder Head is the ultimate upgrade to your