13/16 T40 spark plug wrench tool Spark Plug Tool, Part 2877678, and all other Polaris Engineered service parts, deliver unmatched performance and fit for your vehicle. Each one is extensively tested in the field and meticulously crafted to match your machine All service parts are engineered specifically for your machine. Which means everything is designed, tested and perfected to maximize the life of your ride Getting Polaris Engineered parts is a decision that pays off in the long run, because it ensures there is a long run Genuine Polaris New OEM Snowmobile Spark Plug Wrench Tool 13/16 Indy 600 800 Rush RMK + . This is a factory original equipment accessory, not aftermarket. Manufacturer Part # 2877678.