NICHE 519-KPS2373T Big Piston 803467219899 87.5MM
fits model: 800, Switchback, Indy, Rush. make: Polaris.
( Brand: Niche ), ( Manufacturer Part Number: 519-KPS2373T ), ( Part Type: Piston ), ( Warranty: 2 Years ), ( California Prop 65 Warning: Powersports Parts Can Contain Chemicals, Known To Cause Cancer ), ( Custom Bundle: No ), ( Color: Gray ), ( Compatible Type: Snowmobile ), ( Compatible Year Range: 2008-2023 ), ( Compatible Model: Rmk 800, Pro Rmk 800, Switchback 800, Assault 800 ), ( Piston Bore: 87.5mm ), ( Piston Material: Aluminum Alloy ), ( Piston Style: Big Bore ), ( Piston Type: Flat ), ( UPC: 803467219899 )
Review NICHE Big Bore Piston 87.5mm Polaris fits SWITCHBACK INDY RUSH 800
Introducing the 519-KPS2373T Big Piston Kit for Polaris Switchback Indy 800, a must-have upgrade for your all-terrain vehicle (ATV) that delivers improved performance and enhanced style. This kit comes with a complete set of big piston components, designed to replace the stock pistons and provide a significant boost in power and torque.
The heart of this kit is the 87.5mm big piston, which boasts a larger diameter than the stock piston. This upgrade results in increased compression and combustion efficiency, translating to more power and better engine response. Additionally, the big piston is engineered with a forged design, ensuring unmatched durability and reliability for your off-road adventures.
The 519-KPS2373T kit also includes a set of high-performance rings, specifically designed to work with the big piston and optimize engine performance. These rings are made of a premium material that reduces friction, ensures proper sealing, and minimizes wear and tear on the piston and cylinder walls.
Installing the big piston kit is a breeze, thanks to the included instructions and high-quality hardware. The kit includes all necessary hardware, including new gaskets, seals, and fasteners, making the installation process straightforward and hassle-free.
Moreover, the 519-KPS2373T Big Piston Kit for Polaris Switchback Indy 800 adds a touch of style to your ATV. The big piston kit comes with a polished finish, giving your engine a sleek and refined look that is sure to turn heads on the trails. Plus, the increased power and performance will make your ATV the envy of the off-road community.
In summary, the 519-KPS2373T Big Piston Kit for Polaris Switchback Indy 800 is a high-performance upgrade that delivers more power, improved torque, and enhanced style for your ATV. With a forged big piston, high-performance rings, and all necessary hardware included, this kit is a must-have for any serious off-road enthusiast. Install it today and experience the difference for yourself.
Pros and Cons of buying a Polaris Switchback Indy 800 with the 519-KPS2373T Big Piston 87.5mm Snowmobile Engine
The Polaris Switchback Indy 800, when equipped with the 519-KPS2373T Big Piston 87.5mm snowmobile engine, is a popular choice for those seeking high performance and versatility in their snowmobiles. This section will outline some key advantages and potential disadvantages of purchasing this setup.
Pros:1. Improved power and performance: The 519-KPS2373T engine offers more horsepower and torque compared to the standard engine, resulting in quicker acceleration and better hill-climbing capabilities.
2. Enhanced cold-weather performance: The big piston engine performs exceptionally well in cold temperatures, allowing riders to enjoy their snowmobiling experience even in challenging weather conditions.
3. Versatility: The Switchback Indy 800 comes with both a ski and track setup, allowing riders to switch between the two depending on the terrain and conditions.
4. Better fuel efficiency: The 519-KPS2373T engine is designed to provide better fuel efficiency compared to the standard engine, reducing the overall operating costs for riders.
5. Durability: The big piston engine is known for its durability and reliability, making it an excellent long-term investment for snowmobilers.
Cons:1. Higher cost: The 519-KPS2373T engine is more expensive than the standard engine, and the overall cost of purchasing a Switchback Indy 800 with this engine setup can be quite substantial.
2. Increased weight: The big piston engine is heavier than the standard engine, which may affect the overall handling and maneuverability of the snowmobile.
3. Maintenance requirements: The big piston engine requires more frequent maintenance compared to the standard engine, which can be time-consuming and costly for riders.
Ending Conclusion:The Polaris Switchback Indy 800 with the 519-KPS2373T Big Piston 87.5mm snowmobile engine offers numerous advantages, including improved power and performance, enhanced cold-weather capabilities, versatility, better fuel efficiency, and durability. However, it also comes with some disadvantages, such as a higher cost, increased weight, and increased maintenance requirements. Ultimately, the decision to purchase this setup depends on individual preferences and priorities. If you value high performance, versatility, and durability, and are willing to invest in a more expensive and higher-maintenance engine, then the Polaris Switchback Indy 800 with the 519-KPS2373T engine is an excellent choice. On the other hand, if you are on a budget, prioritize lower maintenance requirements, or prefer lighter snowmobiles, then this setup may not be the best fit for you.
Recommendation:I would recommend the Polaris Switchback Indy 800 with the 519-KPS2373T Big Piston 87.5mm snowmobile engine to those who are serious about snowmobiling, prioritize high performance and versatility, and are willing to invest in a more expensive and higher-maintenance engine setup. For budget-conscious riders or those who prefer lower maintenance requirements, I would recommend considering the standard engine setup or exploring other snowmobile brands and models that offer similar features at a more affordable price point.
Details:
Direct Replacement for the Following OEM Part Numbers: 3023559, 3022266, 2208214, 2206374, 2206163, 2206158, 2205656, 2205176, 2204322, 2204154, 2203943, 2203912, 2203605Fits The model's: Polaris Dragon 800: 2010 Polaris RMK 800 155: 2008 - 2010 Polaris 163: 2008 Polaris SP 2009 Polaris Switchback 2009 - 2010 Polaris Indy 600 XC 129: 2020 Polaris XCR: Adventure: SP: 2014 - 2016 Polaris 2019 - 2020 Polaris 137: IQ Pro 2011 - 2020 Polaris 2016 - 2020 Polaris 174: 2018 - 2020 Polaris LE 2015 Polaris 2017 Polaris Military 163. This NICHE product includes a Limited Warranty. Warranty: This product will come in original factory packaging.
part #: 519kps2373t prices
- $39.95-$106.95
specifications enginesnowmobile:
- for models: 800, Switchback, Indy, Rush
- for makes: Polaris
- brand: Niche
- mpn: 519-kps2373t
- part type: Piston
- warranty: 2 Years
- california prop 65 warning: Powersports Parts Can Contain Chemicals, Known To Cause Cancer
- custom bundle: No
- color: Gray
- compatible type: Snowmobile
- compatible year range: 2008-2023
- compatible model: Rmk 800, Pro Rmk 800, Switchback 800, Assault 800
- piston bore: 87.5mm
- piston material: Aluminum Alloy
- piston style: Big Bore
- piston type: Flat
- upc: 803467219899
seller enginesnowmobile:
- # reviews: 175646
- rating: 99.1%
- city: Chesterfield, MI
returns enginesnowmobile:
- time: 60 Days
- paid by: Seller
- policy: Returns Accepted
general enginesnowmobile:
- Snowmobile Parts > Engines Components > Snowmobile Engine Components
- condition: New
payments enginesnowmobile:
- wallet: Apple-pay
- other
- credit card: Discover
shipping enginesnowmobile:
- type: Fixed
- carrier: USPS, UPS
- class: Standard, Expedited, One-day
- cost: $0.00
- transit: 4-7 Days
- service: USPS Ground Advantage, UPS 2nd Day Air, UPS Next Day Air Saver
offer enginesnowmobile:
- availability: In Stock
- started: October 2, 2025
- sold: 0
- options: Ship-to-home
