{"product_id":"fox-factory-series-1-5-zero-qs3-qse-lrw-rear-track-shock-ski-doo-853-02-067","title":"FOX Factory Series 1.5 Zero QS3\/QSE LRW Rear Track Shock, Ski-Doo 853-02-067","description":"Completely redesigned and refined Factory Series Shocks are the lightest yet!  Available in Coil and Float series with updated MY 26 styling.  Rifle Bore have spiral grooves on the inside of the shock allowing oil to flow around the main piston reducing the damping force in the ride zone for a plush ride.  The grooves end through the final 30% of the travel forcing the oil to flow through the main piston resulting in a significant increase in bottom-out resistance to cushion hard hit. QSE model rear track shocks include an electronic lock out mode with the simple click of a handlebar mounted button!\n\u003cp\u003eUpgrade the rear suspension of compatible Ski-Doo snowmobiles with the FOX Factory Series 1.5 Zero QS3\/QSE LRW rear track shock, manufacturer part number 853-02-067 and vendor part number 530-1267. This refined Factory Series shock is designed for demanding trail, mountain, and deep-snow riding, combining reduced weight with position-sensitive damping for improved ride comfort and bottom-out control.\u003c\/p\u003e\u003cp\u003eThe Rifle-Bore shock body uses internal spiral grooves to direct oil around the main piston during the initial portion of travel, reducing damping force in the ride zone for a smoother, more compliant feel. As the shock approaches the final 30% of travel, the grooves end and force oil through the piston, increasing bottom-out resistance during hard landings and aggressive impacts. The QS3 system provides three-position compression adjustment, while the QSE electronic lockout allows select applications to lock the rear track shock using a handlebar-mounted switch.\u003c\/p\u003e\u003cp\u003eBuilt for serviceability and long-term performance, this FOX shock features a lightweight piston and shaft, optimized reservoir length, a double-digressive aluminum piston, high-pitch spring design, high-volume bearing, and aluminum and injection-molded poly mounting hardware. The black Type III anodized body and orange reservoir caps provide the updated 2026 Factory Series appearance. The shock is fully rebuildable and revalveable, allowing suspension tuning as riding conditions and preferences change.\u003c\/p\u003e\u003cp\u003eFitment includes 2023 Ski-Doo Freeride 850 E-TEC models with 146-inch and 154-inch tracks, Freeride 850 E-TEC Turbo R models with 146-inch and 154-inch tracks, Summit SP 850 E-TEC models with 146-inch and 154-inch tracks, and Summit X 850 E-TEC models with 154-inch tracks, including Expert Package configurations. It also fits select 2024 Ski-Doo Summit X 850 E-TEC 154-inch and Summit X 850 with Expert Package E-TEC 154-inch models. Verify the exact model, track configuration, and electronic lockout requirements before installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: FOX\u003c\/li\u003e\n\u003cli\u003eBrand: FOX\u003c\/li\u003e\n\u003cli\u003eManufacturer Part Number: 853-02-067\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 530-1267\u003c\/li\u003e\n\u003cli\u003eModel: Factory Series 1.5 Zero QS3\/QSE LRW Rear Track Shock\u003c\/li\u003e\n\u003cli\u003eApplication: Rear track suspension shock for compatible Ski-Doo snowmobiles\u003c\/li\u003e\n\u003cli\u003eRifle-Bore Bodies: Position-sensitive damping provides a plush ride zone and increased bottom-out resistance\u003c\/li\u003e\n\u003cli\u003eQS3 Adjustment: Three-position compression adjustment for quick suspension tuning\u003c\/li\u003e\n\u003cli\u003eQSE Lockout: Electronic rear track lockout on select models through a handlebar-mounted switch\u003c\/li\u003e\n\u003cli\u003eLightweight Construction: Features a 60% lighter piston and 20% lighter shaft\u003c\/li\u003e\n\u003cli\u003eServiceability: Fully rebuildable and revalveable for long-term suspension tuning\u003c\/li\u003e\n\u003cli\u003eHardware: Aluminum and injection-molded poly mounting hardware\u003c\/li\u003e\n\u003cli\u003eFinish: Black Type III anodized body with orange reservoir caps\u003c\/li\u003e\n\u003cli\u003eFitment: Select 2023 and 2024 Ski-Doo Freeride and Summit 850 E-TEC models with 146-inch and 154-inch tracks\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2023 Ski-Doo Freeride 850 E-TEC 146\"\u003cbr\u003e\n2023 Ski-Doo Freeride 850 E-TEC 154\" Turbo\u003cbr\u003e\n2023 Ski-Doo Freeride 850 E-TEC 154\"\/2.5\"\u003cbr\u003e\n2023 Ski-Doo Freeride 850 E-TEC 165\"\u003cbr\u003e\n2023 Ski-Doo Freeride 850 E-TEC 165\" Turbo\u003cbr\u003e\n2023 Ski-Doo Freeride 850 E-TEC Turbo R 146\"\u003cbr\u003e\n2023 Ski-Doo Freeride 850 E-TEC Turbo R 154\"\u003cbr\u003e\n2023 Ski-Doo Summit Edge 850 E-TEC 154\" 2.5\u003cbr\u003e\n2023 Ski-Doo Summit Edge 850 E-TEC 165\"\u003cbr\u003e\n2023 Ski-Doo Summit SP 850 E-TEC 146\"\u003cbr\u003e\n2023 Ski-Doo Summit SP 850 E-TEC 154\"\u003cbr\u003e\n2023 Ski-Doo Summit SP 850 E-TEC 165\"\u003cbr\u003e\n2023 Ski-Doo Summit X 850 E-TEC 154\"\/3.0\"\u003cbr\u003e\n2023 Ski-Doo Summit X 850 E-TEC 165\"\/2.5\"\u003cbr\u003e\n2023 Ski-Doo Summit X 850 E-TEC 165\"\/3.0\"\u003cbr\u003e\n2023 Ski-Doo Summit X 850 E-TEC Turbo R 154\"\/3.0\"\u003cbr\u003e\n2023 Ski-Doo Summit X 850 E-TEC Turbo R 165\"\/3.0\"\u003cbr\u003e\n2023 Ski-Doo Summit X 850 with Expert Package E-TEC 154\"\/3.0\"\u003cbr\u003e\n2023 Ski-Doo Summit X 850 with Expert Package E-TEC 165\"\/3.0\"\u003cbr\u003e\n2023 Ski-Doo Summit X 850 with Expert Package E-TEC Turbo R 154\"\/3.0\"\u003cbr\u003e\n2023 Ski-Doo Summit X 850 with Expert Package E-TEC Turbo R 165\"\/3.0\"\u003cbr\u003e\n2023 Ski-Doo Summit X 850 with Expert Package E-TEC Turbo R 175\"\u003cbr\u003e\n2024 Ski-Doo Freeride 850 E-TEC 146\"\u003cbr\u003e\n2024 Ski-Doo Freeride 850 E-TEC 154\"\/3.0\"\u003cbr\u003e\n2024 Ski-Doo Summit X 850 E-TEC 154\"\/3.0\"\u003cbr\u003e\n2024 Ski-Doo Summit X 850 E-TEC 165\"\/2.5\"\u003cbr\u003e\n2024 Ski-Doo Summit X 850 E-TEC 165\"\/3.0\"\u003cbr\u003e\n2024 Ski-Doo Summit X 850 E-TEC Turbo R 154\"\/2.5\"\u003cbr\u003e\n2024 Ski-Doo Summit X 850 E-TEC Turbo R 154\"\/3.0\"\u003cbr\u003e\n2024 Ski-Doo Summit X 850 E-TEC Turbo R 165\"\/3.0\"\u003cbr\u003e\n2024 Ski-Doo Summit X 850 with Expert Package E-TEC 154\"\/3.0\"\u003cbr\u003e\n2024 Ski-Doo Summit X 850 with Expert Package E-TEC 165\"\/3.0\"\u003cbr\u003e\n2024 Ski-Doo Summit X 850 with Expert Package E-TEC Turbo R 154\"\/3.0\"\u003cbr\u003e\n2024 Ski-Doo Summit X 850 with Expert Package E-TEC Turbo R 165\"\/3.0\"\u003cbr\u003e\n2024 Ski-Doo Summit X 850 with Expert Package E-TEC Turbo R 175\"\u003cbr\u003e\n2025 Ski-Doo Freeride 850 E-TEC 146\"\u003cbr\u003e\n2025 Ski-Doo Freeride 850 E-TEC 154\"\/2.5\"\u003cbr\u003e\n2025 Ski-Doo Freeride 850 E-TEC 154\"\/3.0\"\u003cbr\u003e\n2025 Ski-Doo Freeride 850 E-TEC 165\"\u003cbr\u003e\n2025 Ski-Doo Summit X 850 E-TEC 154\"\/2.5\"\u003cbr\u003e\n2025 Ski-Doo Summit X 850 E-TEC 154\"\/3.0\"\u003cbr\u003e\n2025 Ski-Doo Summit X 850 E-TEC 165\"\/2.5\"\u003cbr\u003e\n2025 Ski-Doo Summit X 850 E-TEC 165\"\/3.0\"\u003cbr\u003e\n2025 Ski-Doo Summit X 850 E-TEC Turbo R 154\"\/3.0\"\u003cbr\u003e\n2025 Ski-Doo Summit X 850 E-TEC Turbo R 165\"\/2.5\"\u003cbr\u003e\n2025 Ski-Doo Summit X 850 E-TEC Turbo R 165\"\/3.0\"\u003cbr\u003e\n2025 Ski-Doo Summit X 850 with Expert Package E-TEC 154\"\/2.5\"\u003cbr\u003e\n2025 Ski-Doo Summit X 850 with Expert Package E-TEC 154\"\/3.0\"\u003cbr\u003e\n2025 Ski-Doo Summit X 850 with Expert Package E-TEC 165\"\/2.5\"\u003cbr\u003e\n2025 Ski-Doo Summit X 850 with Expert Package E-TEC 165\"\/3.0\"\u003cbr\u003e\n2025 Ski-Doo Summit X 850 with Expert Package E-TEC Turbo R 154\"\/2.5\"\u003cbr\u003e\n2025 Ski-Doo Summit X 850 with Expert Package E-TEC Turbo R 154\"\/3.0\"\u003cbr\u003e\n2025 Ski-Doo Summit X 850 with Expert Package E-TEC Turbo R 165\"\/2.5\"\u003cbr\u003e\n2025 Ski-Doo Summit X 850 with Expert Package E-TEC Turbo R 165\"\/3.0\"\u003cbr\u003e\n2026 Ski-Doo Freeride 850 E-TEC 146\"\u003cbr\u003e\n2026 Ski-Doo Freeride 850 E-TEC 154\"\/2.5\"\u003cbr\u003e\n2026 Ski-Doo Freeride 850 E-TEC 154\"\/3.0\"\u003cbr\u003e\n2026 Ski-Doo Summit X 850 with Expert Package E-TEC 154\"\/2.5\"\u003cbr\u003e\n2026 Ski-Doo Summit X 850 with Expert Package E-TEC 154\"\/3.0\"\u003cbr\u003e\n2026 Ski-Doo Summit X 850 with Expert Package E-TEC 165\"\/3.0\"\u003cbr\u003e\n2026 Ski-Doo Summit X 850 with Expert Package E-TEC Turbo R 154\"\/3.0\"\u003cbr\u003e\n2026 Ski-Doo Summit X 850 with Expert Package E-TEC Turbo R 165\"\/3.0\"","brand":"FOX","offers":[{"title":"Default Title","offer_id":67551851544811,"sku":"530-1267","price":2199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/23b0-6a1db4e17aefd.png?v=1790729330","url":"https:\/\/ctracingservices.com\/products\/fox-factory-series-1-5-zero-qs3-qse-lrw-rear-track-shock-ski-doo-853-02-067","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}