{"product_id":"fox-factory-race-series-float-3-evol-qs-lrw-adjustable-ski-shock-part-number-850-21-270","title":"FOX Factory Race Series Float 3 Evol QS LRW Adjustable Ski Shock, Part Number 850-21-270","description":"Completely revamped, the Fox Factory Race Series Float Shocks are the lightest yet!  Offering multiple adjustments, you can easily set the shocks for optiomal comfort in riding zones.  3 different QS styles available, QS3 featuring 3 step adjustment, QSL with rear track shock lockout mode, and QSE available featuring a handlebar mounted switch allowing for locking out the rear track shock on the fly!\n\u003cp\u003eThe FOX Factory Race Series Float 3 Evol QS LRW Adjustable Ski Shock is designed for snowmobile riders who want refined suspension performance, broad adjustability, and reduced weight. This model features FOX Position Sensitive Damping with a rifle-bore body, helping deliver controlled suspension response across changing terrain and riding conditions. The Float 3 Evol QS LRW uses FOX’s updated MY26 styling, weight-optimized body caps, and an optimized reservoir design for a compact, performance-focused package.\u003c\/p\u003e\u003cp\u003eBuilt with a double digressive aluminum piston, high-pitch spring design, and high-volume bearing, this FOX shock is engineered to provide consistent operation and improved ride control. The QS3 three-position compression adjustment allows riders to select the preferred setting for different trail and terrain conditions. The LRW configuration also includes a lockout function for the rear track shock on select applications, helping improve control during specific riding situations. Aluminum and injection-molded poly mounting hardware support durable installation and reliable service performance.\u003c\/p\u003e\u003cp\u003eThe FOX Factory Race Series Float 3 Evol QS LRW Adjustable Ski Shock is fully rebuildable and revalveable, allowing suspension professionals to maintain or customize the shock as riding needs change. Its black Type III anodized body and orange reservoir cap provide a distinctive FOX appearance while supporting long-term durability. The shock fits select Polaris snowmobiles, including the 2012–2013 Polaris 600 Pro-RMK 155-inch, 2016–2018 Polaris 600 Pro-RMK 155-inch, 2018–2019 Polaris 800 SKS 155-inch, 2019 Polaris 850 Pro-RMK 155-inch, and 2019 Polaris 850 SKS 146-inch. Verify the vehicle model, year, track size, and mounting configuration before installation. Manufacturer and vendor part number: FOX 850-21-270.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWeight-Optimized Construction: Features a 60% lighter piston and 20% lighter shaft for reduced shock weight.\u003c\/li\u003e\n\u003cli\u003ePosition Sensitive Damping: Rifle-bore body design helps provide controlled damping through changing suspension travel.\u003c\/li\u003e\n\u003cli\u003eQS3 Compression Adjustment: Three-position compression adjustment supports quick tuning for varied riding conditions.\u003c\/li\u003e\n\u003cli\u003eLRW Rear Track Lockout: Provides rear track shock lockout capability on select compatible models.\u003c\/li\u003e\n\u003cli\u003ePerformance Piston: Double digressive aluminum piston is designed for responsive and consistent damping.\u003c\/li\u003e\n\u003cli\u003eDurable Mounting Hardware: Combines aluminum and injection-molded poly mounting components.\u003c\/li\u003e\n\u003cli\u003eServiceable Design: Fully rebuildable and revalveable for long-term maintenance and suspension tuning.\u003c\/li\u003e\n\u003cli\u003eSnowmobile Fitment: Fits select Polaris 600 Pro-RMK, 800 SKS, 850 Pro-RMK, and 850 SKS models with compatible track and mounting configurations.\u003c\/li\u003e\n\u003cli\u003eBrand and Part Number: FOX Factory Race Series, manufacturer and vendor part number 850-21-270.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2012 Polaris 600 Pro-RMK 155\"\u003cbr\u003e\n2013 Polaris 600 Pro-RMK 155\"\u003cbr\u003e\n2014 Polaris 600 Pro-RMK 155\"\u003cbr\u003e\n2015 Polaris 600 Pro-RMK 155\"\u003cbr\u003e\n2016 Polaris 600 Pro-RMK 155\"\u003cbr\u003e\n2017 Polaris 600 Pro-RMK 155\"\u003cbr\u003e\n2018 Polaris 600 Pro-RMK 155\"\u003cbr\u003e\n2018 Polaris 800 Pro-RMK 155 3\"\u003cbr\u003e\n2018 Polaris 800 Pro-RMK 155\"\u003cbr\u003e\n2018 Polaris 800 Pro-RMK 163 3\"\u003cbr\u003e\n2018 Polaris 800 Pro-RMK 163\"\u003cbr\u003e\n2018 Polaris 800 Pro-RMK 174\"\u003cbr\u003e\n2018 Polaris 800 RMK Assault 155\"\u003cbr\u003e\n2018 Polaris 800 SKS 146\"\u003cbr\u003e\n2018 Polaris 800 SKS 155\"\u003cbr\u003e\n2019 Polaris 600 Pro-RMK 155\"\u003cbr\u003e\n2019 Polaris 800 Pro-RMK 155\"\u003cbr\u003e\n2019 Polaris 800 Pro-RMK 163\"\u003cbr\u003e\n2019 Polaris 800 Pro-RMK 174\"\u003cbr\u003e\n2019 Polaris 800 RMK Assault 155\"\u003cbr\u003e\n2019 Polaris 800 SKS 146\"\u003cbr\u003e\n2019 Polaris 800 SKS 155\"\u003cbr\u003e\n2019 Polaris 850 Pro-RMK 155\"\u003cbr\u003e\n2019 Polaris 850 Pro-RMK 163\"\u003cbr\u003e\n2019 Polaris 850 Pro-RMK 174\"\u003cbr\u003e\n2019 Polaris 850 SKS 146\"\u003cbr\u003e\n2019 Polaris 850 SKS 155\"\u003cbr\u003e\n2021 Polaris 600 Pro-RMK 155\"\u003cbr\u003e\n2021 Polaris 850 Pro-RMK 155 3\"\u003cbr\u003e\n2021 Polaris 850 Pro-RMK 155\"\u003cbr\u003e\n2021 Polaris 850 Pro-RMK 163 3\"\u003cbr\u003e\n2021 Polaris 850 Pro-RMK 163\"\u003cbr\u003e\n2021 Polaris 850 Pro-RMK QD2 155 2.75\"\u003cbr\u003e\n2021 Polaris 850 Pro-RMK QD2 155 3\"\u003cbr\u003e\n2021 Polaris 850 Pro-RMK QD2 163 3\"\u003cbr\u003e\n2021 Polaris 850 Pro-RMK QD2 165 2.75\"\u003cbr\u003e\n2021 Polaris 850 Pro-RMK QD2 174\"\u003cbr\u003e\n2021 Polaris 850 RMK KHAOS 155 3\"\u003cbr\u003e\n2021 Polaris 850 RMK Khaos 155\"\u003cbr\u003e\n2021 Polaris 850 RMK KHAOS QD2 155 2.75\"\u003cbr\u003e\n2021 Polaris 850 RMK KHAOS QD2 155 3\"\u003cbr\u003e\n2021 Polaris 850 RMK KHAOS QD2 163 3\"\u003cbr\u003e\n2021 Polaris 850 RMK KHAOS QD2 165 2.75\"\u003cbr\u003e\n2021 Polaris 850 SKS 146\"\u003cbr\u003e\n2021 Polaris 850 SKS 155\"\u003cbr\u003e\n2022 Polaris 850 Pro-RMK Matryx 155\"\u003cbr\u003e\n2022 Polaris 850 Pro-RMK Matryx Slash 155 2.75\"\u003cbr\u003e\n2022 Polaris 850 Pro-RMK Matryx Slash 155 3\"\u003cbr\u003e\n2022 Polaris 850 Pro-RMK Matryx Slash 163 3\"\u003cbr\u003e\n2022 Polaris 850 Pro-RMK Matryx Slash 165 2.75\"\u003cbr\u003e\n2022 Polaris 850 RMK Khaos Matryx 155\"\u003cbr\u003e\n2022 Polaris 850 RMK Khaos Matryx Slash 146\"\u003cbr\u003e\n2022 Polaris 850 RMK Khaos Matryx Slash 155\"\u003cbr\u003e\n2022 Polaris 850 RMK Khaos Matryx Slash 163 3\"\u003cbr\u003e\n2022 Polaris 850 RMK Khaos Matryx Slash 165 2.75\"\u003cbr\u003e\n2022 Polaris Patriot Boost Pro-RMK Matryx Slash 163 2.75\"\u003cbr\u003e\n2022 Polaris Patriot Boost Pro-RMK Matryx Slash 165 2.75\"\u003cbr\u003e\n2023 Polaris 650 Pro-RMK 155\"\u003cbr\u003e\n2023 Polaris 850 Pro-RMK 155\"\u003cbr\u003e\n2023 Polaris 850 RMK Khaos 155\"\u003cbr\u003e\n2023 Polaris 850 RMK Khaos Slash 163.3\"\u003cbr\u003e\n2023 Polaris 850 RMK Pro Slash 155\"\u003cbr\u003e\n2023 Polaris 850 RMK Pro Slash 163\"\u003cbr\u003e\n2023 Polaris 850 RMK Pro Slash 165\"\u003cbr\u003e\n2023 Polaris Patriot 9R Pro-RMK Slash 155\"\u003cbr\u003e\n2023 Polaris Patriot 9R Pro-RMK Slash 163.3\"\u003cbr\u003e\n2023 Polaris Patriot 9R Pro-RMK Slash 165\"\u003cbr\u003e\n2023 Polaris Patriot 9R RMK Khaos Slash 155\"\u003cbr\u003e\n2023 Polaris Patriot 9R RMK Khaos Slash 163\"\u003cbr\u003e\n2023 Polaris Patriot 9R RMK Khaos Slash 165\"\u003cbr\u003e\n2023 Polaris Patriot Boost RMK Khaos Slash 163\"\u003cbr\u003e\n2023 Polaris Patriot Boost RMK Khaos Slash 165\"\u003cbr\u003e\n2023 Polaris Patriot Boost RMK Pro Slash 155\"\u003cbr\u003e\n2023 Polaris Patriot Boost RMK Pro Slash 163\"\u003cbr\u003e\n2024 Polaris 650 Pro-RMK 155\"\u003cbr\u003e\n2024 Polaris 650 RMK Khaos Slash 146\"\u003cbr\u003e\n2024 Polaris 850 Pro-RMK 155\"\u003cbr\u003e\n2024 Polaris 850 RMK Khaos 155\"\u003cbr\u003e\n2024 Polaris 850 RMK Khaos Slash 146\"\u003cbr\u003e\n2024 Polaris 850 RMK Khaos Slash 155\"\u003cbr\u003e\n2024 Polaris 850 RMK Khaos Slash 165\"\u003cbr\u003e\n2024 Polaris 850 RMK Pro Slash 155\"\u003cbr\u003e\n2024 Polaris 850 RMK Pro Slash 165\"\u003cbr\u003e\n2024 Polaris Patriot 9R Pro-RMK Slash 155\"\u003cbr\u003e\n2024 Polaris Patriot 9R Pro-RMK Slash 165\"\u003cbr\u003e\n2024 Polaris Patriot 9R RMK Khaos Slash 146\"\u003cbr\u003e\n2024 Polaris Patriot 9R RMK Khaos Slash 155\"\u003cbr\u003e\n2024 Polaris Patriot 9R RMK Khaos Slash 165\"\u003cbr\u003e\n2024 Polaris Patriot Boost RMK Khaos Slash 155\"\u003cbr\u003e\n2024 Polaris Patriot Boost RMK Khaos Slash 165\"\u003cbr\u003e\n2024 Polaris Patriot Boost RMK Pro Slash 155\"\u003cbr\u003e\n2024 Polaris Patriot Boost RMK Pro Slash 165\"\u003cbr\u003e\n2025 Polaris 850 Pro-RMK 155\"\u003cbr\u003e\n2025 Polaris 850 RMK Khaos 155\"\u003cbr\u003e\n2025 Polaris 850 RMK Khaos Slash 155\"\u003cbr\u003e\n2025 Polaris 850 RMK Khaos Slash 165\"\u003cbr\u003e\n2025 Polaris 850 RMK Pro Slash 155\"\u003cbr\u003e\n2025 Polaris Patriot Boost RMK Khaos Slash 155\"\u003cbr\u003e\n2026 Polaris 850 Pro-RMK 155\"\u003cbr\u003e\n2026 Polaris 850 RMK Khaos 155\"","brand":"FOX","offers":[{"title":"Default Title","offer_id":67551852364011,"sku":"530-1263","price":1599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/fd5c-6a1db428a2797.jpg?v=1790729358","url":"https:\/\/ctracingservices.com\/products\/fox-factory-race-series-float-3-evol-qs-lrw-adjustable-ski-shock-part-number-850-21-270","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}