SPORTS PARTS INC 9877-S383595-67 Spi Hyperdryve Piston Kit Pro BORE-85.00MM 155

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 9877-S383595-67 ), ( Part Type: Piston )

Review SPORTS PARTS INC Spi Hyperdryve Piston Kit std Bore-85.00mm Polaris Pro rmk 155 Le fits STD RMK 800 2017

Introducing the Sports 9877-S383595-67 SPI HyperDryve Piston Kit for the 2017 Polaris 800 Pro-RMK 155 LE, designed to deliver superior performance and reliability for your snowmobiling adventures. This piston kit is an excellent upgrade for your sled, ensuring optimal engine efficiency and power output.

The HyperDryve piston design features a unique bowl shape that improves combustion efficiency, reducing fuel consumption and emissions. The piston skirt is engineered with a special coating that minimizes friction and wear, ensuring long-lasting performance. The piston rings are precision-machined to provide a perfect seal, preventing oil leakage and enhancing engine compression.

The piston kit is specifically engineered for the 2017 Polaris 800 Pro-RMK 155 LE, with a standard bore size of 85.00mm. Each piston is meticulously crafted to ensure a perfect fit and function, ensuring a seamless installation process. The piston kit comes complete with all necessary hardware, making it a convenient and cost-effective solution for upgrading your engine.

The SPI (Sintered Powder Iron) material used in the piston manufacturing process provides superior strength and durability. This material is able to withstand the extreme temperatures and pressures of a snowmobile engine, ensuring reliable operation in even the most demanding conditions.

By upgrading your snowmobile with the Sports 9877-S383595-67 SPI HyperDryve Piston Kit, you can expect improved engine performance, increased power output, and enhanced reliability. This is the perfect upgrade for avid snowmobilers looking to get the most out of their sled and take on the toughest terrain with confidence.

Pros and Cons of buying a 9877-S383595-67 SPI Hyperdryve Piston Kit for a 2017 Polaris 800 Pro-Rmk 155

a. Enhanced Performance: This piston kit is designed to provide better combustion efficiency and power output, leading to improved engine performance.

b. Durability: The Hyperdryve piston kit is made of high-quality materials, ensuring a longer lifespan than OEM pistons.

c. Upgrade: Installing this aftermarket piston kit is a cost-effective way to upgrade your snowmobile and gain a competitive edge.

a. Installation Complexity: Piston kit installation is a complex process that requires specialized knowledge and tools. It's recommended to have the work done by a professional mechanic.

b. Cost: Compared to the cost of an OEM piston kit, the SPI Hyperdryve piston kit is more expensive.

c. Potential for Engine Damage: Improper installation or use of low-quality aftermarket parts could result in engine damage.

The SPI Hyperdryve Piston Kit for a 2017 Polaris 800 Pro-Rmk 155 offers the potential for improved engine performance, increased power, and enhanced durability. However, the installation process is complex, and the cost is higher than an OEM piston kit. It's essential to consider these factors and weigh the benefits against the risks before making a purchase.

If you're an experienced mechanic or willing to pay for professional installation, and you're looking to upgrade your snowmobile's performance, the SPI Hyperdryve Piston Kit could be a worthwhile investment. However, if you're new to snowmobile maintenance or unsure about the installation process, it might be best to stick with an OEM piston kit. Always ensure to use high-quality aftermarket parts and follow proper installation procedures to minimize the risk of engine damage.

Details:

2017 - 2017 Polaris800 RMK Assault 155 3in. SPI Hyperdryve Piston Kit-Std Bore-85.00mm for 2017 Polaris 800 PRO-RMK 155 LE: Bore: 85.00mm. This is helpful if you are buying multiple items. I need to exchange an item.

Brand: Sports Parts Inc, model Number: 9877-S383595-67. Compatibility: Years: Make: model: Application: Notes: 2017 - 2018 Polaris800 PRO-RMK 163, Switchback PRO-S, 2018 174, XCR, 2017 Polaris800 155 LE, 163 3in. Parts without fitment are to be assumed universal and may require vehicle modification.

part #: 9877s38359567 price

• $130.73

specifications enginesnowmobile:

• for models: Std, Rmk, 800
• for makes: Polaris
• for years: 2017
• brand: Sports Parts Inc
• mpn: 9877-s383595-67
• part type: Piston

general enginesnowmobile:

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

seller enginesnowmobile:

• city: San Marcos, CA
• # reviews: 78927
• rating: 99.9%

payments enginesnowmobile:

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

offer enginesnowmobile:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: March 2, 2026
• quantity: 9

shipping enginesnowmobile:

• class: Standard
• cost: $0.00
• transit: 3-7 Days
• service: Standard
• type: Fixed

returns enginesnowmobile:

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

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