Radiator support seals help prevent overheating by properly sealing the radiator to the core support. All seals are die cut from correct materials and include pressure sensitive adhesive when required. All seals that were installed by push-in-fasteners include precut holes. 4 piece kit, requires 7 push in fasteners for installation. Used Corvettes with a 26" copper radiator. Fits 1969L-1972 Corvette.