- Knowledgeable snowmobilers agree - the drive belt of choice for high performance is Ultimax XS
- XS is designed for high-horsepower sleds and delivers superior performance and longer belt life
- XS features a specially formulated rubber compound found in no other snowmobile belt
- Tests prove that XS transfers more power and runs cooler
- For high-performance sleds, capture the power with Ultimax XS
- Double-cog design
Polaris -- RMK 800 Assault 2.6" w/155" Track -- (2016, 2018, 2017, 2019); Polaris -- RMK 800 SKS 2.25" w/155" Track -- (2018, 2017, 2020, 2019, 2016, 2018, 2017, 2016); Polaris -- RMK 850 KHAOS 2.6" w/155" Track -- (2021, 2020); Polaris -- RMK 850 SKS 2.25" w/155" Track -- (2019, 2020, 2021); Polaris -- RMK 800 Assault 3" w/155" Track -- (2016); Polaris -- RMK 800 KHAOS 2.6" w/155" Track -- (2020); Polaris -- Pro-RMK 850 2.6" w/155" Track -- (2019, 2023, 2024, 2021); Polaris -- Pro-RMK Slash 2.75" w/155" Track -- (2023); Polaris -- Pro-RMK Slash 3" w/155" Track -- (2023); Polaris -- Patriot Boost Pro-RMK 850 Matryx Slash 2.75" w/165" Tack -- (2022); Polaris -- Pro-RMK 850 Matryx Slash 2.75" w/165" Track -- (2022); Polaris -- Patriot 9R Pro-RMK Slash 3" w/163" Track -- (2023, 2024); Polaris -- Pro-RMK 850 Matryx Slash 3" w/163" Track -- (2022); Polaris -- Patriot Boost Pro-RMK 850 Matryx Slash 3" w/163" Track -- (2022); Polaris -- Pro-RMK Slash 3" w/163" Track -- (2023); Polaris -- Pro-RMK Slash 2.75" w/165" Track -- (2023); Polaris -- Patriot Boost RMK 850 KHAOS Matryx Slash 2.75" w/155" Track -- (2022); Polaris -- Patriot 9R Pro-RMK Slash 2.75" w/155" Track -- (2024, 2023); Polaris -- Patriot 9R Pro-RMK Slash 2.75" w/165" Track -- (2023, 2024); Polaris -- Patriot 9R Pro-RMK Slash 3" w/155" Track -- (2023); Polaris -- SKS 850 w/155" Track -- (2021); Polaris -- RMK 850 KHAOS 2.6" w/163" Track -- (2021); Polaris -- RMK 850 KHAOS Matryx Slash 2" w/146" Track -- (2023); Polaris -- RMK 850 KHAOS Matryx Slash 2.75" w/165" Track -- (2023, 2024, 2022); Polaris -- Pro-RMK 850 Matryx Slash 2.75" w/155" Track -- (2022); Polaris -- Pro-RMK 850 Matryx Slash 3" w/155" Track -- (2022); Polaris -- Patriot Boost RMK 850 KHAOS Matryx Slash 3" w/155" Track -- (2022); Polaris -- RMK 850 KHAOS Matryx 2.75" w/155" Track -- (2024, 2023); Polaris -- RMK 850 KHAOS Matryx Slash 3" w/163" Track -- (2023, 2022); Polaris -- Pro-RMK 850 2.6" w/163" Track -- (2021); Polaris -- RMK 850 KHAOS Matryx Slash 2.60" w/146" Track -- (2023); Polaris -- Pro-RMK 850 3" w/163" Track -- (2021); Polaris -- RMK 850 KHAOS Matryx Slash 2.75" w/155" Track -- (2024)