ARCTIC CAT 8639-320 Fox Rear Arm Shock 2.0 QS3 137-INCH

( Brand: Arctic Cat ), ( Manufacturer Part Number: 8639-320 ), ( Part Type: Arm Shock )

Review ARCTIC CAT Fox Zero 2.0 Qs3 Rear Arm Shock 137-inch fits XF ZR 2014–2026

Arctic Cat 8639-320 Fox 2.0 QS3 Rear Arm Shock (2014-2026 XF ZR 137-inch)

Experience unparalleled performance and control with the Arctic Cat 8639-320 Fox 2.0 QS3 Rear Arm Shock, designed specifically for the 2014-2026 XF ZR 137-inch models. This high-performance shock absorber is engineered to deliver a smooth, responsive ride, even in the most challenging terrain.

The Fox 2.0 QS3 Rear Arm Shock incorporates Fox's revolutionary QS3 compression adjustment system. This innovative technology allows riders to easily adjust the shock's compression settings on the fly, ensuring the perfect balance of ride comfort and handling in any situation. The QS3 system offers three distinct compression settings: Open, Medium, and Firm, giving riders the ability to fine-tune their suspension to match their riding style and terrain conditions.

The Fox 2.0 QS3 Rear Arm Shock is built with a 2.0-inch diameter piston, providing increased oil capacity for improved heat dissipation and consistent performance. The shock features a heavy-duty, forged aluminum body that is both lightweight and incredibly strong, ensuring durability even in the harshest conditions. The shock's EVOL air spring provides a progressive spring rate, offering exceptional ride quality and bottom-out protection.

The Arctic Cat 8639-320 Fox 2.0 QS3 Rear Arm Shock is precision-engineered for seamless integration with your XF ZR 137-inch snowmobile. Its high-quality construction, advanced features, and easy adjustability make it an essential upgrade for any serious snowmobile enthusiast. Upgrade your ride today with the Fox 2.0 QS3 Rear Arm Shock and experience the difference in performance and control.

Analysis of Arctic Cat 8639-320 Fox 2.0 QS3 Rear Arm Shock for 2014-2026 XF ZR 137-inch Models

1. Improved Suspension Performance: The Fox 2.0 QS3 shock absorber is designed to provide superior suspension performance, ensuring a smoother and more comfortable ride, especially during off-road adventures.

2. Adjustable Compression: The QS3 (Quick Adjust 3) feature allows riders to easily adjust the compression settings, providing a personalized ride based on their preferences and riding conditions.

3. Fox Racing Heritage: Fox is a well-known brand in the snowmobile and off-road vehicle industry, known for their high-quality and durable products.

4. Compatibility: This shock is compatible with a wide range of Arctic Cat models from 2014 to 2026 with a 137-inch track, making it a versatile option for many riders.

1. Price: Fox shocks are generally more expensive than other brands, which might be a deterrent for some riders on a budget.

2. Installation Complexity: Installing a shock absorber can be a complex process, especially for those without mechanical experience. It may require professional installation, adding to the overall cost.

3. Potential Compatibility Issues: While the shock is compatible with a wide range of models, there could be specific instances where it may not fit perfectly, requiring modifications or additional parts.

Conclusion: The Arctic Cat 8639-320 Fox 2.0 QS3 Rear Arm Shock offers improved suspension performance and adjustable compression, making it an attractive option for riders seeking a high-quality, personalized ride. However, its high price and potential installation complexities are important considerations. If budget allows and the rider is comfortable with potential installation challenges, this shock could significantly enhance the riding experience. For those on a budget or less mechanically inclined, alternative options from other brands might be more suitable.

Details:

Top-of-the-line FOX quality is apparent. Think of it as three performance shocks in one. Giving you performance akin to the LXR, Son Pro, and RR. Arctic Cat Fox Zero 2.0 QS3 Rear Arm Shock - 2014 2026 XF ZR 137-inch 8639-320.

Set the er to number Like the LXR, ride is smooth, comfortable, confident. QS3 shocks from FOX represent a breakthrough in performance and adjust ability. It up a notch to setting 2, and you'll straighten out the corners like Son Pro.

Fits the following model's.

part #: 8639320 prices

• $198.00-$699.00

specifications snowmobileshocksoi:

• for models: Xf, Zr
• for makes: Arctic-cat, Arctic
• for years: 2014-2026
• brand: Arctic Cat
• mpn: 8639-320
• part type: Arm Shock

general snowmobileshocksoi:

• condition: New
• Parts Accessories > Snowmobile Parts > Shocks Suspension

payments snowmobileshocksoi:

• credit card: Visa
• wallet: Apple-pay
• check
• other
• cash
• money order

offer snowmobileshocksoi:

• sold: 0
• options: Ship-to-home
• started: January 2, 2026
• quantity: 2
• availability: In Stock
• best offers: True

returns snowmobileshocksoi:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

shipping snowmobileshocksoi:

• service: Economy
• cost: $20.00
• transit: 5-11 Days
• type: Fixed
• class: Economy

seller snowmobileshocksoi:

• city: Arcadia, Wisconsin
• # reviews: 1889
• rating: 99.4%

Arctic Cat 8639-320 Is Similar To:

• 1 Sm-08216 Spi Left Side Upper Arctic Cat Snow Replaces 703624231385 (29.9% similar) Shipping in continental us is free. We branched out into specific parts people need to keep their machines going. After seeing that success forward was born. Many other companies just put up what they think the parts fit. More excess inventories were hunted down and sold...(June 24th, 2018)
• 3703-343 Arctic Cat Fox Float 3 (34.5% similar) These shocks will fit other sleds with 18 inch. I am selling a new take off set of Arctic Cat fox float 3, shocks 18 inch w pump these came my 2015 zr 6000 before it was ridden and are in like condition with little to no indications use, comes air. These shocks will fit Arctic Cat zr, xf, m and ...(March 12th, 2017)
• Arctic Rear Suspension Shock Efi Vev 500 Mountain 01-2002 600 Cat 570 (40.8% similar) You can also leave us a message at. Shipping charges listed above apply to the continental us...(November 11th, 2014)
• 500 Firecat Models Shock 800 Arctic Cat 700 01-2008 600 Sabercat Suspension (28.8% similar) When purchasing parts from motor head zone. 23 complex rear suspension shock gas type gas position rear eye length open eye length close eye diameter top. Shipping charges listed above apply to the continental us. You can also leave us a message at...(September 6th, 2014)
• 0102-086 Arctic Cat 22 Vintage (29.6% similar) A pack of 22 vintage nos, oem Arctic Cat track cleats. These were used on the following model's: part number: 0102-086CLEAT,CHANNEL fl 7/1 6X11 check pricing replaces panther - undercarriage and TRACK1978 cheetah TRACK1977 TRACK1976 TRACK1975 pantry front frame, seat TRACK1974 track, fuel tank ...(November 11th, 2017)
• 0103-020 Arctic Cat Vintage Nos Rubber Ski Bumper Ext Lynx Panther (19.4% similar) Rubber is still very flexible, not dry rotted. A vintage nos, oem Arctic Cat rubber ski bumper. This is for early model's. Great hard to find parts for any restore project. These were used on and will fit the following model's: 1968 Arctic Cat panther cougar - ski STEERING 1968 STEERING1969 ...(November 4th, 2018)
• 0103-035 Arctic Cat Nos Vintage Snowmobile Ski Leaf Spring Cheetah Pan (23% similar) They have small differences in thickness. Check pictures to make sure you are OK with condition before buying. If this listing is for used parts. They part number shows to FIT1973 Arctic Cat cheetah - SKI1973 panther puma SKI1974 340 CID lynx ii panther Wankel 295 a b VIP SKI1975 pantry ski measure ...(April 6th, 2018)
• 0103-068 Arctic Cat 1 Used (25% similar) If listing is for new old stock parts. They are normally dirty so expect them to have some grease, grime and or rust on. They may have scratches, dust and or minor rust. Will get parts as pictured. Check pictures to make sure you are OK with condition before buying. If this listing is for used parts...(January 29th, 2018)
• 0103-101 Arctic Cat Vintage Spring Slide Saddle Nos El Tigre Jag (18.3% similar) Will fit the following model's: part number: 0103-101SADDLE, spring slide - check pricing 1992 super jag SKI1991 mountain Cat SKI1990 deluxe SKI1989 340 panther 440 f c SKI1988 SKI1987 SKI1986 SKI1985 pantry SKI1984 el tiger SKI1981 l es west SKI1980 a 2000 3000 lynx single twin electric start ...(December 23rd, 2018)
• 0103-114 Arctic Cat 1 Used (25% similar) If listing is for new old stock parts. They may have scratches, dust and or minor rust. Check pictures to make sure you are OK with condition before buying. They are normally dirty so expect them to have some grease, grime and or rust on. 1 good used vintage Arctic Cat snowmobile ski leaf spring ...(January 28th, 2018)
• Chrome 0103-125 76 Shocks Arctic Vintage Cat (16.4% similar) These are new in original packaging. Also the replacements for 1975 z's. Up for your consideration is a pair of new chrome shocks. These are original equipment for 76 z, 76 cross country and 76 pantry's...(October 6th, 2014)