Fleece Performance Cylinder Head Set, 2017-2023 L5P

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Fits: 2017 thru 2023 Chevy Silverado/GMC Sierra 2500HD/3500HD L5P Duramax Diesel Introducing Fleece performance Freedom Series cylinder heads for the L5P 6.6L Duramax! Each cylinde r head is manufactured in Fleece's state-of-the-art Freedom Racing Engine shop and is guaranteed to meet or exceed factory specifications. Features: Re-manufactured OE casting New valves, valve guides, springs, and valve seals Multi-angle valve job 100% Pressure and leak tested Fully assembled and ready to install DmaxStore Note: Driver & Passenger Side Recommend using GM head gasket (Grade C) Warranty: 1 Year Limited Parts Warranty Show more