{"product_id":"len-performance-rear-track-shock-arctic-cat-zr-xf-54-11000r","title":"Len Performance Rear Track Shock, Arctic Cat ZR \/ XF 2014–2025 incl. ZR Catalyst (54-11000R)","description":"\u003cp\u003eLen Performance LS4-11000R rebuildable rear track shock for the rear suspension on Arctic Cat ZR 5000 through ZR 9000 (129 \/ 137, including RR and Thundercat) 2014–2025, XF 6000 \/ 7000 \/ 8000 \/ 9000 Sno Pro, LXR, CrossTrek and Cross Country 2014–2019, and the 2024–2025 ZR 600 and 2025 ZR 858 Catalyst 129 \/ 137. It replaces the factory rear track shock with a reservoir shock that has 5-click compression adjustment. At $493.95 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 sets how the skid handles big hits, G-outs and bottoming with a passenger or gear on the tunnel. This is a springless unit that works with the factory rear torsion springs, so it drops in without changing the rest of the skid.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment.\u003c\/strong\u003e Sold each. Pairs with the Len Performance 54-11000F front track shock for a complete rear suspension (Len Performance sells the pair as kit LS4-11000K). Matching ski shock: 54-11000. Chassis: Arctic Cat ProCross and Catalyst (ZR 600 \/ 858).\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\u003eXF:\u003c\/strong\u003e 2014-2015 XF 6000; 2016-2019 XF 6000 Cross Country; 2016-2018 XF 6000 Crosstrek; 2014-2017 XF 7000 LXR 137; 2014-2017 XF 7000 Sno Pro 137; 2014-2017 XF 7000 Sno Pro 141; 2016-2019 XF 8000 Cross Country; 2016-2018 XF 8000 Crosstrek; 2014-2015 XF 8000 LXR 137; 2014-2015 XF 8000 Sno Pro 137; 2014-2015 XF 8000 Sno Pro 141; 2017-2019 XF 9000 Cross Country; 2016-2019 XF 9000 Crosstrek; 2014-2015 XF 9000 LXR 137; 2014-2015 XF 9000 Sno Pro 137\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZR:\u003c\/strong\u003e 2014-2017 ZR 5000; 2024-2025 ZR 600 Catalyst 129; 2024-2025 ZR 600 Catalyst 137; 2014-2023 ZR 6000; 2016-2019 ZR 7000; 2014-2024 ZR 8000; 2022, 2024 ZR 8000 ES 137; 2025 ZR 858 Catalyst 129; 2025 ZR 858 Catalyst 137; 2016-2017 ZR 9000 129 RR; 2017-2025 ZR 9000 137 RR; 2019 ZR 9000 LTD; 2019-2025 ZR 9000 Thundercat 137\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\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\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\u003e54-11000R (Len Performance LS4-11000R)\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\u003e3704-252 (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\u003eArctic Cat ProCross \/ Catalyst\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)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength, extended\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e386 mm \/ 15.2 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\u003e264 mm \/ 10.4 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStroke\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e122 mm \/ 4.8 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone (uses the factory torsion springs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTop eyelet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14.3 mm ID x 24.8 mm wide (0.6 in x 1.0 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\u003e10.3 mm ID x 25.3 mm wide (0.4 in x 1.0 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.95 lb (6 lb shipping)\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":50446062780661,"sku":"54-11000R","price":493.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0267\/9029\/files\/len-54-11000R.jpg?v=1790126044","url":"https:\/\/a2dmotorsports.net\/products\/len-performance-rear-track-shock-arctic-cat-zr-xf-54-11000r","provider":"Shop A2D Motorsports ","version":"1.0","type":"link"}