SPORTS PARTS INC 4656-S589153-66 Spi Exhaust Valve Gasket Kit 155

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 4656-S589153-66 ), ( Part Type: Valve Gasket Exhaust )

Review SPORTS PARTS INC Spi Exhaust Valve Gasket Kit Polaris fits ASSAULT RMK 800 2011–2015

Introducing the 4656-S589153-66 SPI Exhaust Valve Gasket Kit, specifically designed for the 2011-2015 Polaris 800 RMK Assault 155 snowmobiles. This kit is an essential upgrade for those who demand superior performance and reliability from their sleds.

The exhaust valve gaskets in this kit are meticulously engineered to provide a perfect seal between the exhaust valve and the engine cylinder head. These gaskets are made from a high-performance material that can withstand the extreme temperatures and pressures generated during snowmobile operation. The gaskets are also precision-cut to ensure a precise fit, minimizing the risk of leaks and maximizing power transfer.

The 4656-S589153-66 SPI Exhaust Valve Gasket Kit includes all the necessary components to complete the installation. Each gasket is accompanied by a high-quality sealant that ensures a strong bond between the gasket and the engine surface. The kit also includes detailed instructions to make the installation process as straightforward as possible.

Upgrading to the 4656-S589153-66 SPI Exhaust Valve Gasket Kit offers several benefits. By providing a better seal, these gaskets improve engine efficiency, reducing fuel consumption and increasing power output. They also help prevent exhaust gases from escaping, reducing emissions and improving overall engine performance.

In summary, the 4656-S589153-66 SPI Exhaust Valve Gasket Kit is an essential upgrade for any Polaris 800 RMK Assault 155 snowmobile owner who demands superior performance and reliability from their sled. These high-performance gaskets provide a perfect seal, improve engine efficiency, and help prevent exhaust gases from escaping, making them an excellent investment for any serious snowmobiler.

Pros and Cons of Buying a SPI Exhaust Valve Gasket Kit for 2011-2015 Polaris 800 RMK Assault 155

The SPI Exhaust Valve Gasket Kit (Part Number: 4656-S589153-66) is a popular aftermarket solution for addressing exhaust issues on Polaris 800 RMK Assault 155 snowmobiles produced between 2011 and 2015. This gasket kit aims to improve performance, durability, and longevity of the exhaust system. In this analysis, we will discuss the potential advantages and disadvantages of investing in this product.

1. Enhanced Performance: The gasket kit is designed to provide better sealing, which can lead to improved engine performance. A more efficient exhaust system allows for better gas flow, potentially increasing horsepower and torque.

2. Durability: The SPI gasket kit is made from high-quality materials, ensuring a longer lifespan compared to the original gaskets. This can save you money in the long run by reducing the need for frequent replacements.

3. Reduced Exhaust Leaks: Exhaust leaks can result in loss of power and decreased fuel efficiency. The SPI gasket kit aims to address this issue by providing a tighter seal between the exhaust components.

4. Improved Sound: Some users have reported a noticeable improvement in exhaust noise after installing the gasket kit, which can add to the overall riding experience.

1. Installation Complexity: Installing the gasket kit may require some mechanical skills and tools, which could be a deterrent for some users. Polaris recommends having the work performed by a professional to ensure proper installation.

2. Cost: The SPI gasket kit is priced higher than OEM gaskets. While the long-term savings can outweigh the initial investment, some may find the upfront cost prohibitive.

3. Potential Compatibility Issues: There have been reports of compatibility issues with aftermarket exhaust systems. It is essential to verify that the gasket kit is compatible with your specific exhaust setup before purchasing.

The SPI Exhaust Valve Gasket Kit for 2011-2015 Polaris 800 RMK Assault 155 offers several advantages, including improved performance, durability, and reduced exhaust leaks. However, it also comes with potential drawbacks, such as complex installation and a higher price tag compared to OEM gaskets. Ultimately, the decision to purchase this gasket kit depends on your personal priorities, mechanical abilities, and budget. If you value performance enhancements and durability, this kit may be worth the investment. Alternatively, if you prefer a more straightforward and cost-effective solution, you may want to consider OEM gaskets or other alternatives.

Details:

This is helpful if you are buying multiple items. 2010 - 2016 Polaris 600 RMK 144. 2002 - 2005 Polaris 600 RMK. I need to exchange an item.

Brand: Sports Parts Inc, model Number: 4656-S589153-66. Parts without fitment are to be assumed universal and may require vehicle modification. SPI Exhaust Valve Gasket Kit for 2011 2015 Polaris 800 RMK Assault 155: valve gasket kit.

specifications enginesnowmobile:

• for models: Rmk, 800, Assault
• for makes: Polaris
• for years: 2011-2015
• brand: Sports Parts Inc
• mpn: 4656-s589153-66
• part type: Valve Gasket Exhaust

payments enginesnowmobile:

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

general enginesnowmobile:

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

seller enginesnowmobile:

• # reviews: 63428
• rating: 99.5%
• city: Indiana, US

shipping enginesnowmobile:

• type: Fixed
• service: Standard
• cost: $0.00
• transit: 2-4 Days
• class: Standard

returns enginesnowmobile:

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

offer enginesnowmobile:

• started: April 29, 2025
• sold: 0
• availability: In Stock
• quantity: 9
• options: Ship-to-home

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