Protect the underside and cooling system of your sled when studs are installed with this Stud Protection Kit. These stud protection blocks prevent stud contact with the tunnel of your snowmobile. This Accessory is Designed to Fit the Following: Snowmobiles , 2026, 2022-2024 850 Switchback XC 146 , 2026 ProStar S4 Voyageur SP 146 , 2026 Patriot Boost Switchback Assault 146 Race IFS , 2026 Patriot Boost Switchback Assault 146 Escape IFS , 2026 Patriot 9R Switchback Assault 146 Race IFS , 2026 Patriot 9R Switchback Assault 146 Escape IFS , 2026 850 Switchback Assault 146 Race IFS , 2026 850 Switchback Assault 146 - Escape IFS , 2026 650 Voyageur SP 146 , 2026 650 Switchback SP 146 White Lightning , 2026 650 Switchback SP 146 Gloss Black , 2025 Patriot 9R Switchback Assault 146 70th Anniversary Edition , 2025 Patriot 9R Switchback Assault 146 , 2025 INTL - ProStar S4 Nordic Pro 146 , 2025 INTL - Patriot 9R Switchback Assault 146 , 2025 INTL - 650 Nordic Pro 146 ES , 2024-2025 Patriot Boost Switchback Assault 146 , 2023-2024 ProStar S4 Voyageur 146 , 2023-2024 intl ProStar S4 Nordic Pro 146 , 2023-2024 intl 650 Nordic Pro 146 ES , 2023-2024 650 Switchback SP 146 , 2023-2024 650 SKS 146 , 2023 Patriot Boost Switchback Assault 146 , 2022-2026 650 Switchback XC 146 , 2022-2025 650 Voyageur 146 , 2022 INTL 650 Nordic Pro 146 , 2021-2025 850 Switchback Assault 146 , 2021-2025 650 Switchback Assault 146