The 2026 Arctic Cat ZR 858 137 EXT EPS is a 2-stroke snowmobile built on the new Catalyst platform, featuring an 858cc engine with increased power, electronic power steering (EPS) for easier handling, and a Garmin G8 digital display. It has a 137-inch track, a laydown engine design, and adjustable ATAC suspension on the rear skid, withFOX shocks on both the front and rear.