PRO-X 11.5817.000 Top End Rebuild Kit

( Brand: Pro-x ), ( Manufacturer Part Number: 11.5817.000 )

Review PRO X Prox Top End Rebuild Kit #11.5817.000 Polaris

Introducing the Pro-X Top End Rebuild Kit (11.5817.000) specifically designed for Polaris snowmobiles, this comprehensive rebuild kit empowers enthusiasts and mechanics to breathe new life into their engines. This kit is a must-have for those seeking top performance, improved efficiency, and extended engine life.

The Pro-X Top End Rebuild Kit includes every essential component necessary to completely rebuild the engine's upper end. This includes high-quality piston rings, cylinder boots, piston pins, piston pin bushings, and an engine gasket set. Each component is meticulously engineered to provide optimal engine performance and durability.

The piston rings in this kit are precision-machined and designed to seal efficiently with the cylinder walls. This ensures proper compression and improves overall engine performance. The cylinder boots are made from a durable, heat-resistant material that protects the cylinder walls and provides a perfect seal. The piston pins are made from high-strength steel and are precision-machined to ensure a tight fit in the piston. The piston pin bushings, made from a long-lasting material, provide a seamless fit and help reduce friction between the piston and the engine components.

The engine gasket set is another critical component of this kit. It includes all the necessary gaskets to seal the upper end of the engine, including the head gasket, cylinder head seal, and valve cover gasket. These gaskets are precision-cut and designed to provide a perfect seal, preventing leaks and ensuring efficient engine operation.

In summary, the Pro-X Top End Rebuild Kit (11.5817.000) for Polaris snowmobiles is an essential tool for those seeking to maximize engine performance, improve efficiency, and extend engine life. With its high-quality components, this kit offers a cost-effective and reliable solution for rebuilding the upper end of your Polaris engine.

The Pro-X 11.5817.000 Top End Rebuild Kit for Polaris all-terrain vehicles (ATVs) is designed for those looking to rebuild or upgrade their engine. Below are some potential pros and cons of purchasing this kit:

1. High-Quality Components: This kit includes high-performance parts, such as forged pistons, rings, and cylinder liners, which can result in improved engine durability and performance.

2. Better Efficiency: Upgrading to new components can lead to better fuel efficiency and improved power output.

3. Cost-Effective: Rebuilding your engine with a kit like this can be more cost-effective than buying a new engine, especially for older models.

4. Customizability: This kit offers the flexibility to customize your engine to meet specific performance goals.

5. Warranty: Polaris offers a one-year warranty on this kit, providing peace of mind for customers.

1. Complex Installation: Rebuilding an engine is a complex process that requires specialized tools and skills. It may be best to have the installation performed by a professional.

2. Time-Consuming: The installation process can be time-consuming, taking anywhere from several hours to multiple days, depending on the level of experience and the complexity of the engine.

3. Cost: While rebuilding an engine with a kit may be more cost-effective than buying a new one, it still requires an upfront investment.

4. Risk of Damage: During the installation process, there is a risk of damaging other components or causing additional issues.

The Pro-X 11.5817.000 Top End Rebuild Kit for Polaris ATVs offers several advantages, including improved engine durability, performance, and customizability. However, it also requires a significant investment of time, money, and expertise. If you are comfortable with the installation process or have access to a professional, and are looking for a cost-effective way to upgrade your engine, this kit may be a good option for you. If you prefer a more straightforward solution, consider purchasing a pre-rebuilt engine or a new ATV with the desired performance features.

Details:

Polaris 800 Pro-RMK 2017 - 2020. All components are made to exceed OEM specifications. Polaris 800 Indy XCR 2020. Polaris 800 Indy XC 2019 - 2020.

ProX Top End Rebuild Kit #11.5817.000 Polaris: Includes piston kit, and a complete engine gasket kit.

part #: 115817000 prices

• $274.41-$279.99

specifications enginesnowmobile:

• for makes: Polaris
• brand: Pro-x
• mpn: 11.5817.000

shipping enginesnowmobile:

• type: Fixed
• cost: $0.00
• carrier: UPS
• transit: 2-5 Days
• service: UPS Ground
• class: Standard

general enginesnowmobile:

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

offer enginesnowmobile:

• availability: In Stock
• started: April 30, 2026
• options: Ship-to-home
• sold: 0
• quantity: 2

payments enginesnowmobile:

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

returns enginesnowmobile:

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

seller enginesnowmobile:

• # reviews: 707400
• rating: 99.8%
• city: Grand Rapids, Michigan

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