A premium valve cover gasket made with high temperature silicone. This gasket fits the popular Aluminum Alloy valve cover available for the Triumph "Small" 4 cylinder engines (1147cc, 1296cc, 1493cc). This includes the Spitfire, Herald, MG Midget 1500, and other models. This gasket has been patterend directly from an Alloy valve cover. The corner radius of the gasket will match exactly with the Alloy cover, unlike a stock gasket. The cross-section of this gasket is rectangular to suit the sealing surface of the Alloy valve cover