The NGK Spark Plug Solid 3194 (Pack of 10) features a nickel alloy electrode tip and a standard ground electrode shape with a single configuration. With a heat range of 9 and a spark gap of 0.8mm, this resistor type spark plug comes with a 90-day manufacturer warranty and free shipping. Designed for personal watercrafts, this spark plug has a solid terminal configuration and a center electrode type of standard. With a hex size of 13/16" and electrical resistance of 5k Ohms, this NGK spark plug is a reliable choice for ignition systems.