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  3. SPORTS INC 4235-S264311-95

SPORTS PARTS INC 4235-S264311-95 Spi Moly Piston Kit Standard 74.50MM

fits model: Rmk, 600. make: Polaris. year: 1998–2001.

4235-s264311-95 Sports Parts Inc Spi T-moly Series Piston Kit-standard Bore 74.50mm For 1998-2001 Polaris 600 Rmk

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 4235-S264311-95 ), ( Part Type: Piston )

Review SPORTS PARTS INC Spi T moly Series Piston Kit standard Bore 74.50mm Polaris fits RMK 600 1998–2001

4235-S264311-95 SPI T-Moly Piston Kit for 1998-2001 Polaris 600 RMK

Description:

Upgrade your Polaris 600 RMK snowmobile from the standard piston kit to the high-performance 4235-S264311-95 SPI T-Moly Piston Kit. This piston kit, manufactured by SPI (Ski-Doo Performance Parts), is specifically designed for the Polaris 600 RMK models produced between 1998 and 2001.

The T-Moly pistons in this kit are made from a thermoplastic material called Teflon Molybdenum, providing exceptional durability and resistance to wear and tear. This material is known for its low friction coefficient, enabling the pistons to operate more smoothly and efficiently, resulting in increased power output and improved engine response.

The piston kit includes four fully-machined, forged aluminum pistons, each with a T-Moly coating on the piston skirt and piston crown. The piston rings are also made from Teflon Molybdenum material, ensuring a perfect seal and minimizing the risk of blow-by and oil consumption.

Additionally, the piston kit comes with new wrist pins, which are made from high-strength steel and have a phosphate coating for improved durability and wear resistance. The wrist pins are also fitted with new, high-performance piston pin bushings.

The piston kit is easy to install, as it includes all necessary hardware and instructions. The upgrade process can be completed in just a few hours, allowing you to enjoy the benefits of enhanced engine performance right away.

By choosing the 4235-S264311-95 SPI T-Moly Piston Kit for your Polaris 600 RMK snowmobile, you'll not only improve its power output and engine response but also extend the life of your engine by minimizing wear and reducing oil consumption. This is an excellent investment for any serious snowmobiling enthusiast who wants to get the most out of their machine.

Buying the 4235-S264311-95 SPI T-Moly Piston Kit for 1998-2001 Polaris 600 RMK: A Comprehensive Analysis

Introduction:

The 4235-S264311-95 SPI T-Moly Piston Kit is a popular aftermarket upgrade for the 1998-2001 Polaris 600 RMK snowmobiles. This kit is known for its high-performance T-Moly pistons, which aim to provide better durability, increased power, and improved engine efficiency. In this analysis, we will discuss the pros and cons of buying this piston kit to help you make an informed decision.

Pros:

1. Enhanced Durability: T-Moly pistons are known for their superior durability compared to stock pistons. They are less prone to scuffing and pitting, which can lead to longer engine life.

2. Increased Power: The T-Moly pistons in this kit are designed to provide more power and torque. This can result in better acceleration and top end speed, making your snowmobile more responsive and fun to ride.

3. Improved Engine Efficiency: By reducing friction and heat, T-Moly pistons can improve engine efficiency. This can lead to better fuel economy and reduced emissions.

4. Enhanced Cooling: The piston kit includes a new cooling system, which can help keep the engine running cooler and more efficiently, especially during long rides or in harsh conditions.

Cons:

1. Cost: The SPI T-Moly Piston Kit can be quite expensive compared to the cost of stock pistons. This may be a consideration for budget-conscious buyers.

2. Installation Complexity: Installing the piston kit requires a fair amount of mechanical expertise and specialized tools. If you are not comfortable working on your snowmobile's engine, it may be best to have a professional install the kit.

3. Potential Compatibility Issues: While the piston kit is designed to fit 1998-2001 Polaris 600 RMKs, there may be some compatibility issues with certain engines or modifications. It is essential to ensure that the kit is compatible with your specific snowmobile before purchasing.

Conclusion:

The 4235-S264311-95 SPI T-Moly Piston Kit offers several advantages for 1998-2001 Polaris 600 RMK owners, including enhanced durability, increased power, improved engine efficiency, and enhanced cooling. However, the high cost, installation complexity, and potential compatibility issues are important factors to consider.

If you are a casual rider or have a budget to consider, the stock pistons may be sufficient for your needs. However, if you are a serious rider who wants maximum performance and durability from your snowmobile, the SPI T-Moly Piston Kit is an excellent investment. Just be sure to weigh the pros and cons carefully and ensure that the kit is compatible with your specific snowmobile before making the purchase.

Recommendation:

Based on the analysis presented above, we recommend the 4235-S264311-95 SPI T-Moly Piston Kit for serious Polaris 600 RMK riders who want to maximize the performance and durability of their snowmobile. However, we strongly advise careful consideration of the potential costs, installation complexity, and compatibility issues before making the purchase.

Details:

Brand: Sports Parts Inc, model Number: 4235-S264311-95. SPI T-Moly Series Piston Kit-Standard Bore 74.50mm for 1998 - 2001 Polaris 600 RMK: Bore. Machined smooth heads, MOS 2 Coating: Draws heat through piston walls and out the bottom, Reduces friction, for added power longevity, Helps eliminate cold seizures, Increases durability, Hard anodized crowns, Hyper eutectic Cast. I need to exchange an item.

Parts without fitment are to be assumed universal and may require vehicle modification. Compatibility: Years: Make: model: Application: Notes: 1998 - 2001 Polaris600 RMK, 1999 Polaris600 XC, 1999 XC SP. This is helpful if you are buying multiple items.

part #: 4235s26431195 price

  • $70.72

specifications enginesnowmobile:

  • for models: Rmk, 600
  • for makes: Polaris
  • for years: 1998-2001
  • brand: Sports Parts Inc
  • mpn: 4235-s264311-95
  • part type: Piston

offer enginesnowmobile:

  • sold: 0
  • availability: In Stock
  • options: Ship-to-home
  • started: October 10, 2025
  • quantity: 9

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  • city: Indiana, US

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  • Snowmobile Parts > Engines Components > Snowmobile Engine Components

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for models: rmk, 600, for makes: polaris, for years: 1998-2001, part type: piston,
category: snowmobile parts > engines components > snowmobile engine components, sku: 17897244119367791,
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  • New. Offer #1 priced at $70.72 + $0.00 shipping estimate = $70.72* total. Reduces heat and friction, for added power and longevity. 1998 - 2001 Polaris 600 RMK.FREE SHIPPING

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