Cometic Street Pro 01-07 GM 6.6L Duramax Diesel V8 Bottom End Gasket KitCOMETIC StreetPro Kits cater to the budget minded street rodder who is looking to purchase a kit with all necessary gaskets and seals needed for their rebuild. Quality gasket materials are a priority in StreetPro kits. Kit materials include: MLS, AFM, Aramid Fiber, and Armor Clad. This Part Fits: Year Make Model Submodel 2006 2007 Chevrolet Express 2500 Base 2006 Chevrolet Express 2500 LS 2006 Chevrolet Express 2500 LT 2006 2007 Chevrolet Express 3500