2884974 Rear Torsion Spring Kit - 129/137 - Heavy Duty

Feel the unique rhythm of every trail with this Heavy Duty Spring Kit. These heavy duty springs deliver supreme performance in all conditions and are engineered specifically for passenger riding or heavier riders.

Designed to Fit

2025 Patriot Boost INDY VR1 137 Dynamix
2025 Patriot 9R INDY XCR 136
2025 Patriot 9R INDY XCR 128
2025 850 INDY VR1 137 Dynamix
2025 650 INDY VR1 137 Dynamix
2024-2025 ProStar S4 INDY Adventure 137
2024-2025 Patriot Boost INDY VR1 137
2023-2025 650 INDY SP 137
2023-2024 ProStar S4 INDY XC 137
2023-2024 ProStar S4 INDY XC 129
2023 ProStar S4 INDY Adventure X2 137
2023 PROSTAR S4 INDY Adventure 137
2023 Patriot Boost INDY VR1 129
2023 Patriot Boost INDY VR1 137
2023 650 INDY Adventure X2 137
2022-2025 850 INDY XCR 136
2022-2025 850 INDY XCR 128
2022-2025 650 INDY XCR 136
2022-2025 650 INDY XCR 128
2022-2025 650 INDY Adventure 137
2022-2024 850 INDY XC 137
2022-2024 850 INDY XC 129
2022-2024 650 INDY XC 137
2022-2024 650 INDY XC 129
2022-2023 850 INDY Adventure 137
2022 600 INDY SP 137
2022 600 INDY SP 129
2021-2025 850 INDY VR1 137
2021-2025 650 INDY VR1 137
2021-2023 850 INDY VR1 129
2021-2023 650 INDY VR1 129
2021 850 INDY XC 137 Launch Edition
2021 850 INDY XC 129 Launch Edition
2021 650 INDY XC 137 Launch Edition
2021 650 INDY XC 129 Launch Edition