Len Performance Ski Shock, Arctic Cat ZR / XF / Riot / Pantera 2012–2025 (54-11000)
Len Performance Ski Shock, Arctic Cat ZR / XF / Riot / Pantera 2012–2025 (54-11000)
Len Performance
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Product details
Len Performance LS8-11000 rebuildable ski shock for Arctic Cat ProCross and ProClimb-chassis trail and crossover sleds: F 800, XF 800 / 1100 / 6000 / 7000 / 8000 / 9000, ZR 3000 through ZR 9000 (including RR and Thundercat), Pantera 3000 / 6000 / 7000 and Riot 6000 / 8000, model years 2012 through 2025. It is a direct replacement for the factory front (ski) shock, one part number for either side. At $566.95 each, it is A2D's value pick for a rebuildable, adjustable reservoir ski shock: clicker adjustment, a reservoir and a serviceable design without the cost of a race-level shock.
The ski shocks set how the front end reacts to trail chop, how hard the skis push in a corner and how much the sled dives on the brakes. This coil-over reservoir shock has 5-click compression and 5-click rebound adjustment so the front end can be set for rider weight and trail conditions rather than running fixed factory valving, and the threaded body with locking preload rings makes ski pressure changes quick and repeatable.
Fitment. Sold each; order two for a pair (Len Performance sells the pair as kit LS8-11000K). One part number fits both the left and right ski. Matching Len Performance track shocks for the ZR / XF / Riot / Pantera skid are the 54-11000F front track shock and 54-11000R rear track shock. Chassis: Arctic Cat ProCross (trail) and ProClimb (XF High Country).
Fitment list (Len Performance year/model lookup)
- F-series: 2012-2013 F 800
- Pantera: 2015-2019 Pantera 3000; 2015-2019 Pantera 6000; 2015-2019, 2024-2025 Pantera 7000; 2016-2019 Pantera 7000 LTD
- Riot: 2020-2023 Riot 6000; 2020-2024 Riot 8000 146; 2022-2024 Riot 8000 ES 146; 2020 Riot X 8000
- XF: 2012-2013 XF 1100 Non-Turbo; 2012-2016 XF 1100 Non-Turbo High Country; 2014-2015 XF 6000; 2016-2019 XF 6000 Cross Country; 2014-2015 XF 6000 Crosscountry 141; 2015 XF 6000 Crosstour 141; 2018 XF 6000 Crosstour 146; 2016-2018 XF 6000 Crosstrek; 2016-2017 XF 6000 High Country 141; 2015 XF 6000 High Country 141 Sno Pro; 2018-2019 XF 6000 High Country ES 141; 2014-2019 XF 7000 Cross Country; 2015 XF 7000 Crosscountry 141; 2016-2018 XF 7000 Crosstour; 2015 XF 7000 Crosstour 141; 2016-2018 XF 7000 Crosstrek; 2016 XF 7000 High Country 141; 2015 XF 7000 High Country 141 Sno Pro; 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; 2014-2015 XF 8000 Crosscountry LTD 141; 2015 XF 8000 Crosscountry Sno Pro 141; 2016-2017 XF 8000 Crosstour; 2014-2015 XF 8000 Crosstour 141; 2016-2018 XF 8000 Crosstrek; 2015-2019 XF 8000 High Country 141 Sno Pro; 2015 XF 8000 High Country LTD 141; 2016-2019 XF 8000 High Country LTD ES 141; 2018-2019 XF 8000 High Country LTD ES 153; 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; 2015 XF 9000 Crosscountry LTD 141; 2014-2015 XF 9000 Crosstour 141; 2015 XF 9000 High Country LTD 141; 2018-2019 XF 9000 High Country LTD 153; 2014-2015 XF 9000 LXR 137; 2014-2015 XF 9000 Sno Pro 137; 2016-2018 XF Crosstour 6000; 2012-2014 XF High Country 800
- ZR: 2014-2021 ZR 3000; 2014-2017 ZR 4000 LXR; 2014-2017 ZR 5000; 2014-2023 ZR 6000; 2022-2023 ZR 6000 LTD ES 137; 2014-2019 ZR 7000; 2014-2024 ZR 8000; 2022, 2024 ZR 8000 ES 137; 2016-2017 ZR 9000 129 RR; 2017-2025 ZR 9000 137 RR; 2019 ZR 9000 LTD; 2019-2025 ZR 9000 Thundercat 137
Confirm your model with us if it is not in the list.
Features
- 5-click compression adjustment, tool-free.
- 5-click rebound adjustment.
- Aluminum reservoir shock: the remote-style reservoir keeps oil temperature down and damping consistent on long pulls.
- Fully rebuildable, serviceable shock. Len Performance rebuild kits and replacement parts are available.
- Hardened chromoly shaft for strength and seal life.
- Forged aluminum eyelet heads with premium steel and NBR bushings.
- Powder-coated spring resists corrosion and holds rate in cold, wet conditions.
- Threaded shock body with anodized dual-ring locking preload adjusters: set sag once and it stays set.
- Sold each.
Specifications
| Part number | 54-11000 (Len Performance LS8-11000) |
| OEM part number replaced | 8639-309 (per distributor listings) |
| Shock location | Ski (front suspension), fits left or right |
| Chassis / platform | Arctic Cat ProCross / ProClimb |
| Adjustments | Compression (5) and rebound (5), plus threaded spring preload |
| Length, extended | 467 mm / 18.4 in |
| Length, compressed | 351 mm / 13.8 in |
| Stroke | 116 mm / 4.6 in |
| Spring | Powder-coated coil spring included, 69 mm / 2.7 in diameter |
| Top eyelet | 10 mm ID x 25.5 mm wide (0.4 in x 1.0 in) |
| Bottom eyelet | 10 mm ID x 25.5 mm wide (0.4 in x 1.0 in) |
| Weight | 5.50 lb (8 lb shipping) |
| Includes | One shock |
| Rebuild kit | 54-00003 (Len LSR-00003), per Dennis Kirk |
| Sold | Each |
Ordering and installation. 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.