{"product_id":"len-performance-rear-track-shock-lynx-boondocker-shredder-xterrain-ranger-54-80002r","title":"Len Performance Rear Track Shock, Lynx BoonDocker \/ Shredder \/ Xterrain \/ 49 Ranger 2020–2026 (54-80002R)","description":"\u003cp\u003eLen Performance LS4-80002R rebuildable rear track shock for the rear suspension on Lynx deep-snow, crossover and utility sleds: BoonDocker 3900 600R (2020–2022) and BoonDocker DS 850 3900 \/ 4100 (2022), Shredder 600R 146 \/ 154 (2023–2025), Shredder DS 3900 and Shredder RE 3700 \/ 3900 850 E-TEC and Turbo R (2023–2026), Xterrain 3700 \/ 3900 including PRO and STD and Xterrain 146 (2021–2024) and the 49 Ranger (2020–2025). It replaces the factory rear track shock with a coil-over reservoir shock. At $679.95 each, it is A2D's value pick for a rebuildable, adjustable reservoir rear track shock: clicker adjustment, a reservoir and a serviceable design without the cost of a race-level shock.\u003c\/p\u003e\u003cp\u003eThe rear track shock on the Lynx PPS skid carries its own coil spring and does most of the work on big hits, drops and deep-snow re-entries. This is a long-stroke (157 mm) coil-over unit with a 72 mm powder-coated spring, 5-click compression and 5-click rebound adjustment, and a threaded body with locking preload rings so the rear can be set for rider weight and snow conditions.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment.\u003c\/strong\u003e Sold each. Lynx only. Pairs with the Len Performance 54-80002F front track shock for a complete rear suspension (Len Performance kit LS4-80002K); on the Xterrain PRO 3900 and Xterrain STD 3900 Len lists the rear shock only. Matching ski shocks: 54-80002 on the 49 Ranger and Xterrain; 54-80000LH \/ RH on the Shredder and BoonDocker DS. Platform: Lynx Radien (BoonDocker, Xterrain, 49 Ranger) and Radien2 (2023 and later Shredder DS \/ RE).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment list\u003c\/strong\u003e (Len Performance year\/model lookup)\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLynx Ranger:\u003c\/strong\u003e 2020-2022 49 Ranger 600 ACE STD; 2020-2022 49 Ranger 600R E-TEC PRO; 2020-2021 49 Ranger 900 ACE; 2021-2022 49 Ranger 900 ACE PRO; 2023-2025 49 Ranger PRO 600R E-TEC; 2024-2025 49 Ranger PRO 850 E-TEC; 2023-2024 49 Ranger ST - 900 ACE Turbo; 2023-2024 49 Ranger ST 900 ACE; 2023-2025 49 Ranger STD 600 ACE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLynx BoonDocker:\u003c\/strong\u003e 2020-2022 Boondocker 3900 600R E-TEC; 2022 Boondocker DS 850 E-TEC 3900; 2022 Boondocker DS 850 E-TEC 4100\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLynx Shredder:\u003c\/strong\u003e 2023-2025 Shredder 600R E-TEC 146; 2024-2025 Shredder 600R E-TEC 154; 2023-2026 Shredder DS 3900 850 E-TEC; 2023-2026 Shredder DS 3900 850 E-TEC Turbo R; 2023-2024 Shredder RE 3700 850 E-TEC; 2024 Shredder RE 3700 850 E-TEC Turbo R; 2023-2026 Shredder RE 3900 850 E-TEC; 2023-2026 Shredder RE 3900 850 E-TEC Turbo R\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLynx Xterrain:\u003c\/strong\u003e 2021-2024 Xterrain 3700 600 EFI; 2021-2024 Xterrain 3700 600R E-TEC; 2021 Xterrain 3900 600R E-TEC; 2024 Xterrain 600 EFI 146; 2024 Xterrain 600R E-TEC 146; 2021-2023 Xterrain PRO 3900 600R E-TEC; 2021-2023 Xterrain PRO 3900 850 E-TEC; 2022-2023 Xterrain STD 3700 600 EFI; 2022-2023 Xterrain STD 3700 600R E-TEC; 2022-2023 Xterrain STD 3900 600 EFI; 2022-2023 Xterrain STD 3900 600R E-TEC\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e5-click compression adjustment, tool-free.\u003c\/li\u003e\n\u003cli\u003e5-click rebound adjustment.\u003c\/li\u003e\n\u003cli\u003eAluminum reservoir shock: the remote-style reservoir keeps oil temperature down and damping consistent on long pulls.\u003c\/li\u003e\n\u003cli\u003eFully rebuildable, serviceable shock. Len Performance rebuild kits and replacement parts are available.\u003c\/li\u003e\n\u003cli\u003eHardened chromoly shaft for strength and seal life.\u003c\/li\u003e\n\u003cli\u003eForged aluminum eyelet heads with premium steel and NBR bushings.\u003c\/li\u003e\n\u003cli\u003ePowder-coated spring resists corrosion and holds rate in cold, wet conditions.\u003c\/li\u003e\n\u003cli\u003eThreaded shock body with anodized dual-ring locking preload adjusters: set sag once and it stays set.\u003c\/li\u003e\n\u003cli\u003eSold each.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e54-80002R (Len Performance LS4-80002R)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOEM part number replaced\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e503196180 (per distributor listings)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShock location\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRear track shock (rear suspension)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eChassis \/ platform\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLynx Radien \/ Radien2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdjustments\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompression (5) and rebound (5), plus threaded spring preload\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength, extended\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e550 mm \/ 21.66 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength, compressed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e393 mm \/ 15.48 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStroke\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e157 mm \/ 6.18 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePowder-coated coil spring included, 72 mm \/ 2.84 in diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTop eyelet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 mm ID x 25.4 mm wide (0.4 in x 1 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBottom eyelet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 mm ID x 25.4 mm wide (0.4 in x 1 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.25 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOne shock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRebuild kit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLen Performance rebuild kits available; call to confirm the kit number for this shock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSold\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEach\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003eOrdering and installation.\u003c\/strong\u003e Sold each. Ships from stock at our Anchorage shop, or from our distributor's Boise, Idaho warehouse when not on the shelf. In-store pickup is available at checkout. Installation and shock setup are available at A2D Motorsports; call (907) 306-3062 to schedule. Len Performance rebuild kits are available, so the shock can be serviced or re-valved rather than replaced.\u003c\/p\u003e","brand":"Len Performance","offers":[{"title":"Default Title","offer_id":50446085062901,"sku":"54-80002R","price":679.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0267\/9029\/files\/len-54-80002R.jpg?v=1790126603","url":"https:\/\/a2dmotorsports.net\/products\/len-performance-rear-track-shock-lynx-boondocker-shredder-xterrain-ranger-54-80002r","provider":"Shop A2D Motorsports ","version":"1.0","type":"link"}