PPE Upgraded Cast Iron Cylinder Head For 2004.5-2010 Chevrolet/GMC 6.6L Duramax interior accessories All this while retaining complete

All this while retaining complete OE control of the BOV’s operation

The Predator has tunes specifically designed to increase your truck's driving power while towing your factory towing capacity (Varies by truck type)

Built from T304 stainless steel with mandrel-bent tubing

Exceeds MIL-STD810G (Mil-Spec Testing)

PPE Upgraded Cast Iron Cylinder Head For 2004.5-2010 Chevrolet/GMC 6.6L Duramax interior accessories All this while retaining completeThe 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 Cast Iron Cylinder Head is the ultimate upgrade to your Duramax