SPI POL550FTERK7396 Top Pro Fan Pistons End Rebuild Kit 73MM

( Brand: Spi ), ( Manufacturer Part Number: POL550FTERK7396 ), ( Part Type: Fan Piston )

Review SPI Polaris Pro Fan Pistons Top End Rebuild Kit 73mm Stock Bore fits STD 550 2004

Introducing the SPI Polaris PRO 550 Fan Pistons Top End Rebuild Kit (Part Number: 7396, Fits: Polaris PRO 550, Year: 2004), meticulously engineered to facilitate a seamless and efficient top end rebuild for your Polaris PRO 550 ATV. This comprehensive kit includes all the essential components necessary to restore the performance of your engine to factory-new standards.

The heart of this rebuild kit is the set of high-quality, precision-machined fan pistons. These pistons are designed specifically for the Polaris PRO 550 ATV, ensuring a perfect fit and optimal engine functionality. The pistons are manufactured with advanced materials, providing superior strength and durability to withstand the rigors of off-road use.

In addition to the fan pistons, this kit includes a complete set of rings, gaskets, and other necessary hardware. The rings are expertly designed to minimize friction and maximize seal integrity, allowing for improved engine efficiency and longer component life. The gaskets are engineered to ensure a tight seal between engine components, preventing leaks and maintaining critical engine pressures.

This SPI Top End Rebuild Kit is an excellent investment for Polaris PRO 550 owners seeking to extend the life of their engines or restore performance after extensive use. With its high-quality components and straightforward installation process, this kit is an essential tool for any serious off-road enthusiast or professional mechanic.

In conclusion, the SPI Polaris PRO 550 Fan Pistons Top End Rebuild Kit (Part Number: 7396, Fits: Polaris PRO 550, Year: 2004) is a must-have for anyone looking to maintain or enhance the performance of their Polaris PRO 550 ATV engine. With its superior components and ability to facilitate a straightforward rebuild process, this kit is an indispensable addition to any Polaris PRO 550 owner's toolbox.

Pros and Cons of Buying a SPI Polaris Pro 550 Fan Pistons Top End Rebuild Kit (73mm Std)

The SPI Polaris Pro 550 Fan Pistons Top End Rebuild Kit (73mm Std) is a popular choice among Polaris ATV owners for maintaining the performance and longevity of their engines. In this analysis, we will discuss the key advantages and disadvantages of purchasing this product.

1. Enhanced Engine Performance: This kit includes new pistons, rings, and other top-end components that can restore lost power and improve overall engine performance.

2. Extends Engine Life: Regular top-end rebuilds help prevent catastrophic engine failure and ensure the longevity of your Polaris Pro 550.

3. OEM-Quality Parts: The SPI kit uses OEM-grade materials to ensure a perfect fit and optimal engine function.

4. Easy Installation: The kit comes with clear instructions and is relatively easy to install for most home mechanics.

5. Cost-Effective: Compared to the cost of a new engine or major engine repair, a top-end rebuild kit is a more cost-effective solution.

1. Upfront Cost: Although the cost is less than a new engine, the upfront investment for the kit and the labor costs for installation can be significant.

2. Time-Consuming: A top-end rebuild is a time-consuming process, typically requiring several hours to complete.

3. Potential for User Error: Improper installation or use of incorrect parts can lead to engine damage and negate the benefits of the rebuild.

The SPI Polaris Pro 550 Fan Pistons Top End Rebuild Kit (73mm Std) offers several advantages, including enhanced engine performance, extended engine life, and the use of OEM-quality parts. However, it also comes with some disadvantages, such as the upfront cost, time-consuming installation, and potential for user error.

If you own a Polaris Pro 550 and are experiencing decreased performance or engine issues, a top-end rebuild using a reputable kit like the one from SPI is a recommended solution. However, it is essential to ensure that the installation is carried out by a qualified mechanic or someone with extensive experience in ATV engine rebuilds to minimize the risk of user error.

Details:

MOS2 Teflon/Molybdenum coated skirts perform at the highest standards, reducing friction and heat for added power longevity. Made from hyper eutectic alloy for extra strength and reduced expansion. Brand New Top End Engine Rebuild Kit. Item Brand: SPI.

Pistons are for the standard bore 73mm. Item MPN: POL550FTERK7396. High-quality cast piston made with excellent materials to precise specifications. Includes 2 SPI pistons, rings, wrist pins, cir clips, pin bearings, and a top end gasket kit.

Top end gasket kit includes all gaskets pictured. Anodized piston dome for increased protection against excessive heat.

part #: pol550fterk7396 prices

• $79.95-$259.99

specifications enginesnowmobile:

• for models: Std, 550
• for makes: Polaris
• for years: 2004
• brand: Spi
• mpn: Pol550fterk7396
• part type: Fan Piston

seller enginesnowmobile:

• rating: 99.4%
• city: Cass City, Michigan
• # reviews: 246408

payments enginesnowmobile:

• other
• wallet: Google-pay
• credit card: Diners-club

shipping enginesnowmobile:

• cost: $0.00
• type: Fixed
• transit: 5-10 Days
• class: Economy, Expedited
• service: FedEx Ground Economy, UPS 2nd Day Air
• carrier: FedEx, UPS

general enginesnowmobile:

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

offer enginesnowmobile:

• started: June 20, 2025
• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 1

returns enginesnowmobile:

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

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