SPI SM-09605 Cylinders Fan Cooled Nikasil F/c

( Brand: Spi ), ( Manufacturer Part Number: SM-09605 ), ( Part Type: Fan Cylinder ), ( Country Of Origin: Taiwan )

Review SPI Cylinders Polaris Fan Cooled F/c Nikasil Plated fits 550 1999–2021

Introducing the SPI SM-09605 Cylinders, a perfect replacement solution for the cooling system of your Polaris 550 fan-cooled snowmobiles manufactured between 1999 and 2021. These cylinders are engineered to fit and function seamlessly with your fuel-injected, Nikasil-coated engine.

The SPI SM-09605 Cylinders are meticulously crafted using high-quality materials that ensure durability and reliability. Each cylinder is precision-machined to ensure a perfect fit, while the Nikasil coating provides superior corrosion resistance. This coating is applied using a vacuum-bonded process, ensuring a uniform and long-lasting finish.

These cylinders offer excellent heat transfer capabilities, thanks to their efficient design and high-performance material selection. The cylinders are designed to work optimally with the fan-cooled system, ensuring that your engine stays cool even during the most demanding riding conditions.

The SPI SM-09605 Cylinders are easy to install, making them a popular choice among Polaris 550 snowmobile owners. They come complete with all necessary hardware, making the installation process quick and hassle-free. Additionally, they are compatible with both stock and aftermarket exhaust systems, providing you with the flexibility to choose the setup that best suits your riding style and preferences.

In summary, the SPI SM-09605 Cylinders are the ideal replacement option for the cooling system of your Polaris 550 fan-cooled snowmobiles from 1999 to 2021. They offer superior durability, excellent heat transfer capabilities, and a hassle-free installation process. With their high-quality construction and precise fit, you can trust these cylinders to keep your engine running at peak performance, even in the most challenging riding conditions.

Buying SPI SM-09605 cylinders for a Polaris 550 fan-cooled snowmobile with a Nikasil engine produced between 1999 and 2021 involves considering several pros and cons.

1. OEM Part: These cylinders are original equipment manufacturer (OEM) parts, ensuring a perfect fit and optimal engine performance.

2. Superior Quality: Nikasil plating provides excellent heat dissipation and engine durability, which is essential for a snowmobile engine.

3. Long Lasting: SPI cylinders are known for their durability and long service life, reducing the need for frequent replacements.

4. Improved Performance: Upgrading to new cylinders can lead to improved engine performance, better power output, and smoother operation.

1. Cost: OEM parts, especially cylinders, can be quite expensive compared to aftermarket alternatives.

2. Availability: It might be challenging to find these cylinders in stock at local dealerships or retailers, requiring online purchases or special orders.

3. Installation: Installing new cylinders can be a complex and time-consuming process, potentially requiring professional assistance.

In conclusion, buying SPI SM-09605 cylinders for a Polaris 550 fan-cooled snowmobile with a Nikasil engine offers several benefits, such as OEM quality, superior performance, and long-lasting durability. However, the high cost and potential difficulty in availability and installation may deter some buyers. Ultimately, the decision to purchase these cylinders depends on the individual's priorities, budget, and technical capabilities.

If you are comfortable with the cost, installation process, and the benefits of OEM parts, then purchasing SPI SM-09605 cylinders would be a sound investment for your Polaris 550 snowmobile. However, if cost is a concern or you're not confident in your ability to install the cylinders, you might consider researching aftermarket alternatives or seeking professional advice before making a decision.

Details:

Manufactured by SPI Ready to install, bolt-on replacement cylinders. Designed to match OEM in appearance and specifications. Sold as a pair, pictured. Replaces OEM #s 3085936, 3088214, 3089226, 3089232, 3089525, 3089934 3090388.

Made in Taiwan. Honed to OEM bore specifications and plated in Nikasil coating. High performance tapered port chamber. Compatible with Polaris model's below: 1999 Super Sport 550 Trail RMK 2000 Sport Touring 2001 ES Edge 2002 Classic F/C 2003 X M-10 F/O 2004 Pro Fan 2005 Deluxe 2006 2007 LX 2008 2009 IQ Shift Transport 2010 2011 LXT 136 2012 2013 2014 Indy 144 Adventure Voyager 2015 155 Voyageur 2016 Sidetrack 2017 2018 2019 121 EVO 2020 2021 Manufactured by SPI.

Cylinders are for standard size - 73.00mm.

part #: sm09605 price

• $266.24

specifications enginesnowmobile:

• for models: 550
• for makes: Polaris
• for years: 1999-2021
• brand: Spi
• mpn: Sm-09605
• part type: Fan Cylinder
• country of origin: Taiwan

payments enginesnowmobile:

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

seller enginesnowmobile:

• rating: 99.7%
• # reviews: 29591
• city: Homer, New York

general enginesnowmobile:

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

shipping enginesnowmobile:

• type: Fixed
• service: USPS Ground Advantage
• class: Standard
• transit: 3-8 Days
• carrier: USPS
• cost: $0.00

offer enginesnowmobile:

• sold: 0
• started: November 17, 2025
• quantity: 4
• options: Ship-to-home
• availability: In Stock

returns enginesnowmobile:

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

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