Cometic Street Pro GM 1999-05 6.0L LS Series Gen III 4.100 Top End Kit (Truck Motor)COMETIC 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 1999 Chevrolet C1500 LS 1999 Chevrolet C1500 Suburban Base 1999 Chevrolet C1500 Suburban LS 1999 2000 Chevrolet C2500 Base 1999 2000