Speedwerx 4th Wheel Kit - 7.12" Wheels - Arctic Cat // 2024-2025 Riot 600/858 Catalyst 146" / 2020-2025 Riot 6000/8000/9000 146" (exc. 2021+ Riot X) / 2021-2025 Blast ZR 4000 121" / 2019 Arctic Cat ZR 6000/8000/9000 129''

With the Speedwerx 4th Wheel Kit installed, you will have a more stable ride and better traction under acceleration. This kit replaces the 3 cheap stock molded plastic wheels with 4 high quality PPD rubber coated plastic wheels- the same type used in performance applications for many years. They run much truer and the rubber coating on wheel bends and conforms to studded tracks. Each kit comes with 3 - 6061 CNC machined aluminum spacers, 2 - 6061 CNC machined billet washers and 4 - high performance wheels.

Fits models that use OEM 7.12" wheel pn 4604-322 including:

• 2018-2023 ZR 6000 R XC 129"-137"
• 2019 Arctic Cat ZR 6000/8000/9000 129''
• 2021-2025 Blast ZR 4000 / ZR 400 121"
• 2020-2025 Riot 6000/8000/9000 146"
• 2024-2025 Riot 600/858 Catalyst 146" 

This 4th Wheel Kit utilizes four high quality rubber coated idler wheels for more stability and traction!