PPE CNC Ported Cast Iron Cylinder Head For 2004.5-2010 GMC Chevy 6.6L Duramax 2022-2023 Husqvarna Norden 901 An adjustable Hall-Effect sensor provides

An adjustable Hall-Effect sensor provides a clean cam sync signal for EFI systems

We custom molded a rubber inlet with a generous radius to reduce the restriction of air as it enters the intake box

Rear 2" rear block & u-bolt kit to retain tail high stance

Note: Be sure to check out our Scavenger Series® X-pipes

factory-style bushings provide excellent noise

PPE CNC Ported Cast Iron Cylinder Head For 2004.5-2010 GMC Chevy 6.6L Duramax 2022-2023 Husqvarna Norden 901 An adjustable Hall-Effect sensor providesThe 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