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  3. STARTING LINE PRODUCTS 3946-S389733-76

STARTING LINE PRODUCTS 3946-S389733-76 Slp Engine Torque Arm Pro

fits model: 800, Switchback. make: Polaris. year: 2015–2018.

3946-s389733-76 Starting Line Products Slp Engine Torque Arm For 2015-2018 Polaris 800 Switchback Pro-x Snowmobile

( Brand: Starting Line Products ), ( Manufacturer Part Number: 3946-S389733-76 ), ( Part Type: Torque Engine Arm )

Review STARTING LINE PRODUCTS Slp Engine Torque Arm Polaris Pro x Snowmobile fits SWITCHBACK 800 2015–2018

Introducing the 3946-S389733-76 SLP Engine Torque Arm, an essential upgrade for your 2015-2018 Polaris 800 Switchback Pro-X. Designed to enhance the performance and durability of your snowmobile, this torque arm is a must-have for serious riders.

The SLP Engine Torque Arm is meticulously engineered to provide superior support to the engine and driveline, reducing the effects of torque reaction on the suspension. This results in improved handling, better tracking, and increased traction, especially during aggressive riding or in challenging snow conditions.

Constructed from high-strength steel, this torque arm boasts exceptional rigidity and durability. The powder-coated finish not only looks great but also protects the arm from the elements, ensuring long-lasting performance. The arm is designed to fit seamlessly with your Polaris 800 Switchback Pro-X, making installation a breeze.

The 3946-S389733-76 SLP Engine Torque Arm is an excellent investment for any rider who demands the best from their snowmobile. With its superior strength, improved handling, and enhanced durability, this torque arm will take your riding experience to the next level. Upgrade your Polaris 800 Switchback Pro-X today and experience the difference!

Buying a torque arm for a specific vehicle model and year, such as the 2015-2018 Polaris 800 Switchback Pro-X with the part number 3946-S389733-76, can be an important decision for snowmobile enthusiasts. Here are some potential pros and cons of making this purchase.

Pros:

1. Improved Performance: A new torque arm can help improve the overall performance of your snowmobile by reducing unwanted tire hop and improving power transfer to the tracks.

2. Increased Durability: Over time, the torque arm on a snowmobile can wear out and become less effective. Replacing it with a new one can help ensure that it can handle the demands of riding in various conditions.

3. Better Handling: A worn-out torque arm can affect the handling of your snowmobile, making it more difficult to make tight turns or control the vehicle in rough terrain. A new torque arm can help improve the handling and make riding more enjoyable.

Cons:

1. Cost: Replacing a torque arm can be an expensive repair, especially if you are not doing it yourself. The cost of the part itself, as well as any labor fees if you are having it installed by a professional, can add up.

2. Installation Complexity: Installing a torque arm on a snowmobile can be a complex process, especially if you are not experienced with working on snowmobiles. It may require specialized tools and knowledge to ensure that it is installed correctly.

3. Availability: Depending on where you live and the availability of parts, it may be difficult to find a new torque arm for your specific model and year. This could lead to delays in getting your snowmobile back on the trail.

Conclusion:

In conclusion, buying a new torque arm for a 2015-2018 Polaris 800 Switchback Pro-X with the part number 3946-S389733-76 can provide several benefits, including improved performance, increased durability, and better handling. However, it also comes with some potential drawbacks, such as cost, installation complexity, and availability. Ultimately, the decision to purchase a new torque arm depends on your personal riding style, the condition of your current torque arm, and your budget. If you frequently ride in rough terrain or notice significant tire hop or handling issues, it may be worth the investment to improve the overall performance and enjoyment of your snowmobile.

Details:

Parts without fitment are to be assumed universal and may require vehicle modification. Compatibility: Years: Make: model: Application: Notes: 2016 - 2018 Polaris800 PRO-RMK 155 model's with Electric Start, 163 3in.: Brand: Starting Line Products, model Number: 3946-S389733-76. SLP Engine Torque Arm for 2015 - 2018 Polaris 800 SwitchBack PRO-X Snowmobile: Holds in place during hard acceleration, Better and more efficient HP transfer to the ground, Lower belt clutch temperatures, Improved motor mount life.

Model's with Electric Start, 2017 - 2017 Polaris800 PRO-RMK 163 LE 155 174 2016 2018 Polaris800 2015 SwitchBack PRO-S 2018 3in. This is helpful if you are buying multiple items. I need to exchange an item.

part #: 3946s38973376 price

  • $152.45

specifications enginesnowmobile:

  • for models: 800, Switchback
  • for makes: Polaris
  • for years: 2015-2018
  • brand: Starting Line Products
  • mpn: 3946-s389733-76
  • part type: Torque Engine Arm

returns enginesnowmobile:

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

seller enginesnowmobile:

  • city: Boise, ID
  • # reviews: 75086
  • rating: 99.9%

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  • wallet: Google-pay
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  • credit card: Discover

shipping enginesnowmobile:

  • class: Standard
  • cost: $0.00
  • service: Standard
  • transit: 2-7 Days
  • type: Fixed

general enginesnowmobile:

  • condition: New
  • Snowmobile Parts > Engines Components > Snowmobile Engine Components

offer enginesnowmobile:

  • started: January 15, 2026
  • quantity: 4
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
for models: 800, switchback, for makes: polaris, for years: 2015-2018, part type: torque engine arm,
category: snowmobile parts > engines components > snowmobile engine components, sku: 19010805853130891,
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1 offer $152.45 USD
  • New. Offer #1 priced at $152.45 + $0.00 shipping estimate = $152.45* total. 2018 - 2018 Polaris 800 SKS 146 Models with Electric Start. 2018 - 2018 Polaris 800 SwitchBack XCR Models with Electric Start.FREE SHIPPING

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