SPORTS PARTS INC 3449-S280739-29 Spi Piston Kit Ski Doo 70.50MM

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 3449-S280739-29 ), ( Part Type: Piston )

Review SPORTS PARTS INC Spi Piston Kit std Bore 70.50mm Ski doo fits GRAND STD TOURING SE 800 1999–2001

Introducing the Sports 3449-S280739-29 SPI Piston Kit for the 1999-2001 Ski-Doo Touring 800 SE, a high-performance upgrade for your snowmobiling engine. This piston kit is manufactured by a trusted supplier in the industry, ensuring you get the best quality parts for your machine.

The key feature of this piston kit is its Standard 70.50mm size, which is specifically designed for the Ski-Doo Touring 800 SE model. Each piston is precision-machined from forged aluminum alloy, ensuring superior durability and strength. The piston skirt is designed with a precise radius for a perfect fit in the cylinder, ensuring minimal blow-by and maximum efficiency.

The piston crown is engineered with a optimized compression height and shape to provide optimal engine performance. Each piston is also equipped with a lightweight, yet durable, wrist pin and piston pin to reduce engine friction and improve overall performance.

This piston kit also includes new rings, which are crucial for sealing the combustion chamber and preventing fuel and oil from leaking out. The rings are precision-manufactured to ensure a perfect fit and optimal sealing performance.

Installing this piston kit on your Ski-Doo Touring 800 SE engine is a straightforward process, and the included instructions make it easy for even the most novice of mechanics to complete the job. In addition, the piston kit comes with all necessary hardware, so you won't need to purchase any additional parts to complete the installation.

In summary, the Sports 3449-S280739-29 SPI Piston Kit for the 1999-2001 Ski-Doo Touring 800 SE is a high-performance upgrade that provides superior durability, improved efficiency, and increased power. With its precision-machined pistons, optimized piston crown, and included rings, this kit is a must-have for any serious snowmobiling enthusiast.

Pros and Cons of buying a Sports 3449-S280739-29 SPI Piston Kit for 1999-2001 Ski-Doo Touring 800 SE

The Sports 3449-S280739-29 SPI Piston Kit is designed for 1999-2001 Ski-Doo Touring 800 SE models. This piston kit is an upgrade option for those seeking improved engine performance. In this analysis, we will discuss the key advantages and disadvantages of purchasing this piston kit.

1. Enhanced Engine Performance: The new pistons offer increased power and torque, contributing to a more responsive and efficient engine.

2. Durability: The pistons are made of high-quality materials, ensuring longevity and resistance to wear and tear.

3. Improved Fuel Efficiency: Due to the enhanced engine performance, the snowmobile may consume less fuel during operation.

4. OEM Compatibility: The piston kit is specifically designed for Ski-Doo Touring 800 SE models, ensuring a perfect fit and seamless integration.

1. Cost: The piston kit is a significant investment compared to the cost of a replacement kit or stock pistons.

2. Installation Complexity: Installing the new pistons requires professional expertise and specialized tools, increasing the overall cost.

3. Potential for Performance Variability: Depending on the specific engine condition and rider preferences, the performance improvements may vary, which could be a disappointment for some.

The Sports 3449-S280739-29 SPI Piston Kit offers several advantages, including enhanced engine performance, durability, improved fuel efficiency, and OEM compatibility. However, it comes with a higher cost and increased installation complexity.

Based on the information provided, the decision to purchase this piston kit depends on individual priorities. If you are looking for substantial engine improvements and are willing to invest in a professional installation, this piston kit could be a worthwhile investment. However, if you are seeking a more budget-friendly option, consider a replacement kit or maintaining your stock pistons.

Before making a decision, carefully assess your engine performance needs and budget constraints. Consult with a professional mechanic or Ski-Doo dealer to determine if the Sports 3449-S280739-29 SPI Piston Kit is the right choice for your specific situation.

Details:

I need to exchange an item. This is helpful if you are buying multiple items. SPI Piston Kit-Std Bore 70.50mm for 1999 - 2001 Ski-Doo Grand Touring 800 SE: Bore. Compatibility: Years: Make: model: Application: Notes: 1999 - 2000 Ski-Doo Formula III 8 2001 2003 Ski-Doo Mach Z Tech Plus, 1997 1998 Ski-Doo Mach LT, 2001 Ski-Doo Grand Touring 800 SE, 2000 Ski-Doo Mach R, 2002 Ski-Doo Mach.

Brand: Sports Parts Inc, model Number: 3449-S280739-29. Parts without fitment are to be assumed universal and may require vehicle modification.

part #: 3449s28073929 price

• $62.64

specifications enginesnowmobile:

• for models: Std, Touring, Se, 800, Grand
• for makes: Ski-doo
• for years: 1999-2001
• brand: Sports Parts Inc
• mpn: 3449-s280739-29
• part type: Piston

returns enginesnowmobile:

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

offer enginesnowmobile:

• availability: In Stock
• sold: 0
• started: November 22, 2025
• options: Ship-to-home
• quantity: 9

shipping enginesnowmobile:

• transit: 3-7 Days
• class: Standard
• cost: $0.00
• type: Fixed
• service: Standard

general enginesnowmobile:

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

payments enginesnowmobile:

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

seller enginesnowmobile:

• city: Indiana, US
• # reviews: 70583
• rating: 99.8%

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