The Lock Ride Flex Adapter Kit enables riders with sleds that have tunnel T-slots to enjoy hassle-free installation and removal of Lock Ride Flex tunnel storage accessories This Accessory is Designed to Fit the Following: Snowmobiles , 2024-2025 550 Voyageur LXT Northstar Edition , 2024-2025 550 Voyageur LXT 144 , 2024-2025 550 Voyageur ADV 144 , 2024-2025 550 INDY Sport 121 , 2023-2025 550 Switchback Sport 144 , 2023 550 INDY SPORT 121 , 2023 550 INDY ADV 155 , 2023 550 INDY ADV 144 , 2022-2024 550 RMK EVO 144 , 2022-2024 550 INDY EVO 121 , 2022-2023 550 INDY LXT NorthStar Edition , 2022 850 RMK KHAOS AXYS 165 2.75" , 2022 850 RMK KHAOS AXYS 163 3" , 2022 850 RMK KHAOS AXYS 155 3" , 2022 850 RMK KHAOS AXYS 155 2.75" , 2022 850 PRO RMK AXYS 165 2.75" , 2022 850 PRO RMK AXYS 163 3" , 2022 850 PRO RMK AXYS 155 3" , 2022 850 PRO RMK AXYS 155 2.75" , 2021-2023, 2014 550 INDY LXT , 2021 850 RMK KHAOS QD2 165 2.75" , 2021 850 RMK KHAOS QD2 163 3" , 2021 850 RMK KHAOS QD2 155 3" , 2021 850 RMK KHAOS QD2 155 2.75" , 2021 850 RMK KHAOS 163 2.6" , 2021 850 PRO-RMK QD2 174 3" , 2021 850 PRO-RMK QD2 165 2.75" , 2021 850 PRO-RMK QD2 163 3" , 2021 850 PRO-RMK QD2 155 3" , 2021 850 PRO-RMK QD2 155 2.75" , 2021 850 INDY XC 137 , 2021 550 Indy LXT NorthStar Edition , 2020-2022 600 INDY SP 137 , 2020-2021 RMK EVO 144 , 2020-2021 INDY EVO , 2020-2021 850 RMK KHAOS 155 3" , 2020-2021 850 RMK KHAOS 155 , 2020-2021 850 INDY XCR 129 , 2020-2021 850 INDY Adventure 137 , 2020-2021 600 INDY XCR 129 , 2020-2021 600 INDY XC 137 , 2020-2021 600 INDY Adventure 137 , 2020 RMK EVO ES 144 , 2020 INDY EVO ES , 2020 850 INDY XC137 , 2020 800 RMK KHAOS 155 3" , 2020 800 RMK KHAOS 155 , 2020 800 INDY XCR 129 , 2020 800 INDY XC 137 , 2020 800 INDY Adventure 137 , 2020 550 Indy LXT NorthStar Edition Navy Blue , 2019-2025 550 Voyageur 155 , 2019-2025 550 Voyageur 144 , 2019-2022, 2014-2017 550 INDY 144 , 2019-2022 600 INDY SP 129 , 2019-2022 550 INDY Adventure 155