Fits: 2017 thru 2023 Chevy Silverado/GMC SIerra 2500HD/3500HD L5P Duramax Diesel

This kit contains the necessary Genuine OE manufacturer parts you will need to replace both head gaskets with everything down to the valve stem seals. High quality GM components for an unmatched fit and finish. We include the C-Series head gaskets that are thicker for use with heads that are not brand new to maintain the factory specs.

Includes:

• 1x Genuine GM head gasket install kit
• 2x Genuine OE manufacturer Head Gaskets (c-series)

Optional:

• GM Thermostats
• GM Glow Plugs(Recommended because they have a ceramic coating that is one time use. Recalibration is needed)
• DmaxStore Performance Head Stud Kit
• Manifold Stud Kit