SPI SM-109287 Standard Hyperdryve Piston Snow 85MM

( Brand: Spi ), ( Manufacturer Part Number: SM-109287 ), ( Part Type: Piston )

Review SPI Standard Bore Hyperdryve Piston Kits Polaris Snow 85mm fits 800 2017–2023

Introducing the SPI SM-109287 Standard HyperDrive Piston, specifically designed for Polaris 800 snow vehicles manufactured between 2017 and 2023. This piston is an essential component of your snowmobile's engine, ensuring efficient combustion and power delivery.

Crafted from high-quality, forged aluminum, this piston boasts superior strength and durability. The piston's crown features a polished, honed finish, ensuring a perfect seal with the engine's cylinder liner for optimal compression and power. The skirt of the piston is designed with a full-floating wrist pin for reduced friction and increased reliability.

The SPI SM-109287 Standard HyperDrive Piston is engineered to meet the stringent requirements of the SAE J2719 standard for snowmobile pistons. This ensures a precise fit and reliable performance. The piston's dimensions are 85mm in length, making it an ideal replacement for your Polaris 800 snow vehicle.

Installation of this piston is made easy with the inclusion of all necessary hardware, such as rings, clips, and gaskets. The piston also comes with a detailed installation manual, ensuring a hassle-free installation process.

Upgrading to the SPI SM-109287 Standard HyperDrive Piston can provide several benefits to your Polaris 800 snowmobile. These benefits include increased horsepower, improved throttle response, and enhanced durability. This piston is an excellent choice for those seeking to maximize the performance of their snowmobile while ensuring long-lasting reliability.

In summary, the SPI SM-109287 Standard HyperDrive Piston is a high-performance, durable solution for Polaris 800 snow vehicles manufactured between 2017 and 2023. Its forged aluminum construction, precise fit, and inclusion of all necessary hardware make it an ideal choice for those seeking to enhance the power and reliability of their snowmobile.

The SPI (Ski-Doo Performance Parts) SM-109287 Standard HyperDrive piston is a performance upgrade option for Polaris 800 snowmobiles from the 2017 to 2023 model years. This piston is designed to provide improved power output and efficiency. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this piston.

1. Enhanced power: The HyperDrive piston is designed to deliver increased power output, which can lead to better acceleration and overall improved performance.

2. Improved efficiency: The piston's design focuses on reducing friction and enhancing combustion efficiency, which can result in better fuel economy and reduced emissions.

3. Durability: This piston is engineered to withstand the rigors of snowmobiling, ensuring long-lasting performance.

4. Compatibility: The SM-109287 piston is specifically designed for Polaris 800 snowmobiles, ensuring a perfect fit and seamless integration with the engine.

1. Cost: Performance upgrades like the HyperDrive piston can be expensive. The cost of the piston may deter some riders, especially those on a budget.

2. Installation: Installing a performance piston like this one requires a certain level of mechanical expertise. It is recommended that the installation is performed by a professional to ensure proper installation and to avoid any potential issues.

3. Risk: As with any performance upgrade, there is a risk of increased engine stress and potential damage. It is crucial to follow the recommended maintenance schedule and to monitor engine performance closely to minimize these risks.

The SPI SM-109287 Standard HyperDrive piston offers several advantages, including enhanced power, improved efficiency, and durability. However, the cost, installation complexity, and potential risks are important considerations. If you are an avid snowmobiler looking for improved performance and are willing to invest in a high-quality piston, then the HyperDrive piston may be a worthwhile investment. On the other hand, if you are on a tight budget or are not comfortable with the installation process or the potential risks, it may be best to stick with the stock piston. Ultimately, the decision depends on your individual preferences, riding style, and budget.

Details:

Compatible with Polaris model's below: 2017 Pro RMK 800 155. Made in Taiwan. HyperDryve series pistons. Included is two piston kits pistons, rings, cir clips and wrist pins.

Manufactured by SPI. Pistons are for standard bore size 85.00mm. All SPI pistons, rings, pins cir clips are manufactured to OEM specifications. Piston weight is compatible with original piston.

HyperDryve pistons use an aluminum alloy which maintains its high tensile strength up to 700 degrees F, is 50% higher than a conventional cast piston. This high temperature resistance significantly improves fatigue strength and impact toughness, which means it will keep you riding longer harder than the competition. 2017 Pro RMK 800 155 LE.

part #: sm109287 prices

• $124.35-$145.77

specifications enginesnowmobile:

• for models: 800
• for makes: Polaris
• for years: 2017-2023
• brand: Spi
• mpn: Sm-109287
• part type: Piston

returns enginesnowmobile:

• policy: Returns Accepted
• time: 60 Days
• paid by: Buyer

general enginesnowmobile:

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

shipping enginesnowmobile:

• cost: $0.00
• transit: 4-8 Days
• type: Fixed
• service: Standard
• class: Standard

offer enginesnowmobile:

• quantity: 3
• started: July 1, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0

seller enginesnowmobile:

• city: Suamico, Wisconsin
• rating: 99.4%
• # reviews: 387550

payments enginesnowmobile:

• wallet: Apple-pay
• credit card: Visa
• other

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