Available Fall 2026
FOX Quick Switch (QS) coil shocks for trail/crossover applications provide the same performance advantage FOX is known for in the backcountry now. Ride harder with less fatigue without a compromise of durability. Experience a new sense of control on the snow due to velocity and position-sensitive damping technology.
Quickly adjust the compression damping with FOX's QS3 to suit snow conditions. Three positions keep the gloves on and the adjustment simple. Focus on riding instead of counting clicks.
FOX's position-sensitive damping technology, Rifle Bore, is now applied to the Factory Race Series rear track shock. Spiral grooves inside the shock allow the oil to flow around the main piston, reducing the damping force in the ride zone for a plush feel. The grooves terminate through the final 30% of the travel, forcing oil to flow through the main piston. The result is a significant increase in bottom-out resistance to cushion hard hits.
Maximize your sled performance by bolting on FOX's new trail/crossover shocks equipped with Rifle Bore position-sensitive technology and QS3 adjustment.
- FEATURES
Optimized lightweight spring & shock design
- FOX ice scraper technology (FIST)
- One-piece, aluminum mounting hardware
- High-flow velocity-sensitive damping
- Rifle Bore technology (Rear track shock only)
- Fully rebuildable and re-tunable
- Internal floating piston (IFP)
Fitment:
2019 Polaris 600 INDY XC 129
2019 Polaris 800 INDY XC 129
2019 Polaris 850 INDY XC 129
2020 Polaris 800 INDY XC 129
2020 Polaris 850 INDY XC 129
2020 Polaris 850 INDY XC 137
2021 Polaris 600 INDY XC 129
2021 Polaris 600 INDY XC 137
2021 Polaris 600 INDY XCR
2021 Polaris 650 INDY VR1 129
2021 Polaris 650 INDY VR1 137
2021 Polaris 650 INDY XC Launch Edition 129
2021 Polaris 650 INDY XC Launch Edition 137
2021 Polaris 850 INDY VR1 129
2021 Polaris 850 INDY VR1 137
2021 Polaris 850 INDY XC 129
2021 Polaris 850 INDY XC 137
2021 Polaris 850 INDY XC Launch Edition 129
2021 Polaris 850 INDY XC Launch Edition 137
2021 Polaris 850 INDY XCR
2022 Polaris 650 INDY VR1 129
2022 Polaris 650 INDY VR1 137
2022 Polaris 650 INDY XC 129
2022 Polaris 650 INDY XC 137
2022 Polaris 650 INDY XCR 128
2022 Polaris 650 INDY XCR 136
2022 Polaris 850 INDY VR1 129
2022 Polaris 850 INDY VR1 137
2022 Polaris 850 INDY XC 129
2022 Polaris 850 INDY XC 137
2022 Polaris 850 INDY XCR
2022 Polaris 850 INDY XCR 136
2023 Polaris 650 INDY VR1 129
2023 Polaris 650 INDY VR1 137
2023 Polaris 650 INDY XC 129
2023 Polaris 650 INDY XC 137
2023 Polaris 650 INDY XCR 128
2023 Polaris 650 INDY XCR 136
2023 Polaris 850 INDY VR1 129
2023 Polaris 850 INDY VR1 137
2023 Polaris 850 INDY XC 129
2023 Polaris 850 INDY XC 137
2023 Polaris 850 INDY XCR 128
2023 Polaris 850 INDY XCR 136
2023 Polaris ProStar S4 INDY XC 129
2023 Polaris ProStar S4 INDY XC 137
2024 Polaris 650 INDY VR1 137
2024 Polaris 650 INDY XC 129
2024 Polaris 650 INDY XC 137
2024 Polaris 650 INDY XCR 128
2024 Polaris 650 INDY XCR 136
2024 Polaris 850 INDY VR1 137
2024 Polaris 850 INDY XC 129
2024 Polaris 850 INDY XC 137
2024 Polaris 850 INDY XCR 128
2024 Polaris 850 INDY XCR 136
2024 Polaris ProStar S4 INDY XC 129
2024 Polaris ProStar S4 INDY XC 137
2025 Polaris 650 INDY VR1 137
2025 Polaris 650 INDY XCR 128
2025 Polaris 650 INDY XCR 136
2025 Polaris 850 INDY VR1 137
2025 Polaris 850 INDY XCR 128
2025 Polaris 850 INDY XCR 136
2026 Polaris 650 INDY VR1 137
2026 Polaris 650 INDY XC 137
2026 Polaris 650 INDY XCR 129
2026 Polaris 650 INDY XCR 137
2026 Polaris 850 INDY VR1 137
2026 Polaris 850 INDY XC 137
2026 Polaris ProStar S4 INDY SP 137
2026 Polaris ProStar S4 INDY XC 137
2027 Polaris 650 INDY VR1 137
2027 Polaris 650 INDY XC 137
2027 Polaris 650 INDY XCR 129
2027 Polaris 650 INDY XCR 137
2027 Polaris 850 INDY VR1 137
2027 Polaris 850 INDY XC 137
2027 Polaris ProStar S4 INDY SP 137
2027 Polaris ProStar S4 INDY XC 137
2027 Polaris ProStar S4 INDY XC 137 7S
