This mount kit only works with the Sentinel and Fuzion handguards on Polaris Pro Taper Mountain Bars! It is designed to work with all Polaris snowmobiles with Pro Taper Mountain bars. This unique design allows you to install the PowerMadd Sentinel and Fuzion hanguards without having to adjust any handlebar controls. All parts are forged aluminum for lightweight, strength and durability. Fits all Polaris Snowmobiles with Pro Taper Mtn. Bars. Mounting instructions for the Pre 2018 sleds and 2018-current sleds are different.