BESTgasket is the world's premier manufacturer of gaskets for vintage and classic American cars and trucks. BEST Gasket complete/full gasket set for 1953-1962 Chevrolet cars and 1953-1963 Chevrolet and GMC trucks with the 235ci 6-cylinder engine; valve cover gasket for 1953 models available separately. P/N RS543C. BEST Gasket is the leading name in sealing performance in the restoration industry.