Len Performance Rear Track Shock, Polaris Matryx RMK / Khaos (54-50004R)
Len Performance
FREE ANCHORAGE PICKUP
Most orders are ready within 24 hours. Supplier-order exceptions are confirmed by email; freight to A2D is included in the product price. Need same-day pickup? Call 907-306-3062.
Shipping options and charges are shown at checkout. Shipping information.
CHECK YOUR FITMENT
Confirm your machine’s year, model, submodel, and the selected size or option before ordering. Need help? Contact the A2D team.
Product details
Len Performance rear track shock for the Polaris RMK and Khaos, part number 54-50004R. Rebuildable reservoir shock with a finned, anodized aluminum reservoir for cooling, a hardened chromoly shaft, a powder-coated spring, and a threaded body with dual locking rings for preload. 5-position compression adjustment. Ships ready to mount with the preload set. Sold individually; the matching front track shock is 54-50004F.
Fitment: 2020–2025 Polaris RMK and Khaos, including the Matryx chassis (2022 and newer) 850 Patriot, Patriot 9R and Patriot Boost, 146 / 155 / 163 / 165 in. Replaces OEM 7045531. Confirm your model and year with us before ordering if you are unsure.
Ordering and availability: Typically in stock at A2D. Available for pickup at our Anchorage shop, shipped, or installed at A2D. Call (907) 306-3062 to schedule.
