COMP Cams 1955-2005 Chevrolet C1-C6 Corvette Alum Timing Cover SmallThe COMP Cams Three Piece Billet Aluminum Timing Covers for Small and Big Block Chevrolet engines allow access to Camshaft timing adjustments without having to remove the harmonic damper of disturb the oil pan Seal. Designed to be lightweight yet rigid, these billet covers offer convenience and performance in one easy to install package. Catalog User 1 This Part Fits: Year Make Model Submodel 1977,1980 Buick Century Base 1977 1979 Buick Century Custom