Autolite 295 Small Engine Spark Plug (Pack of 1) Designed to meet or exceed OE designs to deliver dependable performance for all outdoor power equipment and recreational vehicles Cold-formed steel shell and precision rolled threads One-piece terminal post for added strength Multi-rib insulator reduces danger of "flash-over" Copper-glass, non-resistive seal bonds insulator, terminal post, and center electrode together ensures full required voltage at spark gap