BESTgasket is the world's premier manufacturer of gaskets for vintage and classic American cars and trucks. BEST Gasket intake and exhaust manifold gasket set for 1954-1956 Oldsmobile 324ci V-8 engine; including 1955-1956 GMC models using this engine. P/N 19018EX. BEST Gasket is the leading name in sealing performance in the restoration industry.