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  3. SPORTS INC 9446-S292733-86

SPORTS PARTS INC 9446-S292733-86 Spi Moly Piston Kit Ski Doo 70.50MM

fits model: Std, Lt, Mach. make: Ski-doo. year: 1997–1999.

9446-s292733-86 Sports Parts Inc Spi T-moly Series Piston Kit-std Bore 70.50mm For 1997-1999 Ski-doo Mach Z Lt

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 9446-S292733-86 ), ( Part Type: Piston )

Review SPORTS PARTS INC Spi T moly Series Piston Kit std Bore 70.50mm Ski doo fits MACH STD LT 1997–1999

Introducing the Sports 9446-S292733-86 SPI T-Moly Piston Kit for the 1997-1999 Ski-Doo Mach Z, an essential upgrade for your snowmobile engine. This piston kit is specifically designed to provide improved performance and durability, making it an excellent choice for enthusiasts seeking to enhance their riding experience.

The T-Moly piston material is at the heart of this kit's superiority. This advanced thermoset molybdenum material offers increased strength and durability compared to traditional aluminum pistons. It's engineered to withstand the extreme temperatures and pressures encountered during snowmobiling, ensuring a longer piston life and better overall engine performance.

This kit includes four standard pistons, each with a bore size of 70.50mm, ensuring a perfect fit for your Ski-Doo Mach Z engine. The pistons are meticulously manufactured to ensure precise dimensions and surface finishes, ensuring a smooth engine operation and minimizing the risk of engine damage.

Moreover, the piston kit features a state-of-the-art ring package. The rings are designed to provide optimal sealing and reduce friction between the piston and cylinder walls. The ring package includes a compression ring, an oil control ring, and a top ring, all engineered to work together seamlessly for maximum engine efficiency and power output.

Additionally, this piston kit includes a set of wrist pins, which are essential for connecting the piston to the crankshaft. These wrist pins are made from high-strength material and are designed to handle the demanding conditions of snowmobiling, ensuring a secure connection between the piston and crankshaft for optimal engine performance.

Installing the Sports 9446-S292733-86 SPI T-Moly Piston Kit in your 1997-1999 Ski-Doo Mach Z engine is a straightforward process. The kit comes with all necessary hardware, including new piston rings, wrist pins, and gaskets, making it a complete solution for upgrading your engine.

In summary, the Sports 9446-S292733-86 SPI T-Moly Piston Kit for the 1997-1999 Ski-Doo Mach Z is an excellent investment for snowmobile enthusiasts seeking to enhance their engine's performance and durability. With its advanced T-Moly piston material, precision manufacturing, and complete ring package, this kit provides an exceptional value and delivers reliable, powerful, and long-lasting performance for your snowmobile engine.

Pros and Cons of Buying a 1997-1999 Ski-Doo Mach 700 T-Moly Piston Kit (646-S292733-86)

Pros:

1. Enhanced Performance: This piston kit is designed to improve the overall performance of your Ski-Doo Mach 700. The piston rings and skirt are made of T-Molybdenum material which provides better sealing, less friction, and increased durability.

2. Increased Longevity: The T-Molybdenum material also offers better resistance to wear and tear. This means that the piston kit can last longer than the stock piston, resulting in fewer repairs and replacements over time.

3. Improved Fuel Efficiency: The piston kit can help improve your Ski-Doo Mach 700's fuel efficiency. The improved sealing and reduced friction can help the engine run more efficiently, allowing you to get more miles per gallon.

4. Suitable for High-Performance Use: If you use your Ski-Doo Mach 700 for high-performance activities such as racing or heavy towing, this piston kit can help your engine handle the increased stress and demands.

Cons:

1. Cost: The Ski-Doo 646-S292733-86 piston kit is more expensive than the stock piston. While the benefits may outweigh the cost in the long run, it is an upfront expense.

2. Installation Complexity: Installing the piston kit yourself can be a complex process. It requires specialized tools and knowledge. If you are not confident in your ability to install the kit yourself, it may be worth considering having a professional do it for you.

3. Potential for Engine Damage: Installing the piston kit incorrectly can result in engine damage. It is important to follow the instructions carefully and ensure that all components are installed correctly to avoid any potential issues.

Conclusion:

The Ski-Doo 646-S292733-86 T-Moly piston kit for the 1997-1999 Mach 700 is an investment that can provide significant benefits for your snowmobile. It can improve performance, increase longevity, and enhance fuel efficiency. However, it comes with a higher cost and installation complexity. If you use your snowmobile for high-performance activities or want to maximize its potential, this piston kit may be worth the investment. If you are unsure about the installation process or the benefits outweigh the costs for your specific use case, it may be best to consider other options.

Recommendation:

If you decide to purchase the Ski-Doo 646-S292733-86 T-Moly piston kit for your 1997-1999 Mach 700, be sure to follow the installation instructions carefully. Consider having a professional install the kit to ensure that it is done correctly and to avoid any potential engine damage. If you are unsure about the benefits of the kit or the installation process, it may be worth considering consulting with a Ski-Doo dealer or a snowmobile mechanic to get their expert advice.

Details:

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

Parts without fitment are to be assumed universal and may require vehicle modification.: Brand: Sports Parts Inc, model Number: 9446-S292733-86. I need to exchange an item.

part #: 9446s29273386 price

  • $82.09

specifications enginesnowmobile:

  • for models: Std, Lt, Mach
  • for makes: Ski-doo
  • for years: 1997-1999
  • brand: Sports Parts Inc
  • mpn: 9446-s292733-86
  • part type: Piston

offer enginesnowmobile:

  • availability: In Stock
  • options: Ship-to-home
  • quantity: 9
  • started: April 20, 2026
  • sold: 0

shipping enginesnowmobile:

  • cost: $0.00
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  • transit: 3-5 Days

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general enginesnowmobile:

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

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  • rating: 99.9%
  • # reviews: 83464
  • city: Boise, ID

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for models: std, lt, mach, for makes: ski-doo, for years: 1997-1999, part type: piston,
category: snowmobile parts > engines components > snowmobile engine components, sku: 20101123560013722,
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  • New. Offer #1 priced at $82.09 + $0.00 shipping estimate = $82.09* total. Draws heat through piston walls and out the bottom. 1997 - 2002 Ski-Doo Mach Z.FREE SHIPPING

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