Cometic Street Pro GM 1970-76 455ci BUICK Big Block 4.385 Top 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 1971 1973 Buick Centurion Base 1973 1974 Buick Century Base 1973 1974 Buick Century Luxus 1970 1974,1976 Buick Electra 225 1970 1974