PPE CNC Ported Cast Iron Cylinder Head For 2004.5-2010 GMC Chevy 6.6L Duramax 2022-2023 Husqvarna Norden 901 4x137 bolt pattern ensures compatibility

4x137 bolt pattern ensures compatibility with popular UTVs

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

Hellwig Sway Bars Are Designed For Use With Factory Exhaust Systems

factory-style bushings provide excellent noise

Whether you are relocating your stock oil filter (PF2232) for easier access or wanting to use a larger filter such as our PPE High-Performance Engine Oil Filters (114000550/555/560)

PPE CNC Ported Cast Iron Cylinder Head For 2004.5-2010 GMC Chevy 6.6L Duramax 2022-2023 Husqvarna Norden 901 4x137 bolt pattern ensures compatibilityThe 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