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  3. SPORTS INC 8689-S309219-49

SPORTS PARTS INC 8689-S309219-49 Spi Moly Piston Kit Cat 75.40MM

fits model: Std, 580, Ext. make: Arctic, Arctic-cat. year: 1994–1996.

8689-s309219-49 Sports Parts Inc Spi T-moly Series Piston Kit-std Bore 75.40mm For 1994-1996 Arctic Cat Ext 580

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 8689-S309219-49 ), ( Part Type: Piston )

Review SPORTS PARTS INC Spi T moly Series Piston Kit std Bore 75.40mm Arctic Cat fits EXT STD 580 1994–1996

Introducing the Sports 8689-S309219-49 SPI T-Moly Piston Kit for the 1994-1996 Arctic Cat 580, a high-performance upgrade for your snowmobile engine. This piston kit is designed to deliver superior durability, reliability, and power, making it an excellent choice for enthusiasts seeking to enhance their riding experience.

The T-Moly pistons in this kit are manufactured using advanced molybdenum technology. Molybdenum is a potent additive that increases piston strength, reduces friction, and improves heat resistance. These pistons are also nitrided, a process that enhances their surface hardness and durability, ensuring longer piston life and better ring sealing.

The piston kit includes four pistons, rings, and clips, which are precisely engineered to fit the Arctic Cat 580 engines of the specified model years. The piston diameter measures 75.40mm, making it a suitable replacement for the OEM pistons.

This piston kit is not only an upgrade in terms of performance but also in appearance. The pistons feature a sleek, polished finish that adds a touch of elegance to the engine compartment.

Installing the Sports 8689-S309219-49 SPI T-Moly Piston Kit is a relatively straightforward process. The kit comes with detailed instructions to guide you through the installation. However, it is always recommended to consult a professional technician for the installation to ensure proper fitment and optimal engine performance.

Upgrading to the Sports 8689-S309219-49 SPI T-Moly Piston Kit is an investment that will pay off in the long run. With its superior strength, reduced friction, and improved heat resistance, this piston kit will help your Arctic Cat 580 engine deliver more power, better efficiency, and longer lifespan.

Arctic Cat 580 SPI T-Moly Piston Kit (8689-S309219-49): A Comprehensive Analysis

The Arctic Cat 580 SPI T-Moly Piston Kit (8689-S309219-49) is a popular aftermarket upgrade for Arctic Cat snowmobiles from the 1994 to 1996 models. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this piston kit.

Advantages:

1. Enhanced Performance: T-Molybdenum pistons offer improved thermal conductivity, which facilitates faster heat dissipation. This results in increased power output and improved overall engine performance.

2. Durability: The T-Molybdenum material is known for its high strength and resistance to wear and tear. This means that the pistons can handle the rigors of snowmobiling, ensuring longer engine life.

3. Reduced Engine Wear: The piston kit is designed to reduce engine wear by providing a tighter piston-to-ring fit. This results in less friction between the piston and cylinder walls, reducing the risk of scuffing and scoring.

Disadvantages:

1. Cost: The Arctic Cat 580 SPI T-Moly Piston Kit is a premium aftermarket product, and it comes with a higher price tag compared to OEM pistons.

2. Complex Installation: Installing the piston kit requires a fair amount of technical expertise and specialized tools. The process involves removing the cylinder head, cylinder, and piston, which can be a time-consuming and labor-intensive task.

3. Potential Compatibility Issues: The piston kit may not be compatible with all modifications or aftermarket components. It is essential to ensure that the kit is suitable for your specific snowmobile configuration before making a purchase.

Conclusion:

The Arctic Cat 580 SPI T-Moly Piston Kit offers several advantages, including enhanced performance, durability, and reduced engine wear. However, it also comes with some drawbacks, such as a higher cost, complex installation, and potential compatibility issues. Ultimately, the decision to purchase the piston kit depends on your individual needs, budget, and technical expertise. If you are looking for improved performance and durability, and you are willing to invest the time and money, then the Arctic Cat 580 SPI T-Moly Piston Kit is an excellent choice. On the other hand, if you are on a tight budget or lack the necessary technical expertise, it may be worth considering alternative options.

Recommendation:

If you are considering purchasing the Arctic Cat 580 SPI T-Moly Piston Kit, we recommend that you thoroughly research the product and ensure that it is compatible with your snowmobile configuration. Additionally, you should consider the installation process and any potential compatibility issues before making a purchase. If you are unsure, it may be worth seeking advice from a professional mechanic or Arctic Cat dealer to help you make an informed decision.

Details:

SPI T-Moly Series Piston Kit-Std Bore 75.40mm for 1994 - 1996 Arctic Cat EXT 580: Bore. Compatibility: Years: Make: model: Application: Notes: 1995 - 1997 Arctic Cater 580 EFI, 1993 Arctic Cat EXT Z, 1994 1996 Arctic 580, 2000 Arctic Cartel EFI ESR, 1997 1994 Arctic Mountain Cat, 1996 Deluxe, ETT, 2001 Arctic Carpentry.: Brand: Sports Parts Inc, model Number: 8689-S309219-49. This is helpful if you are buying multiple items.

Parts without fitment are to be assumed universal and may require vehicle modification. 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.

part #: 8689s30921949 price

  • $81.66

specifications enginesnowmobile:

  • for models: Std, 580, Ext
  • for makes: Arctic, Arctic-cat
  • for years: 1994-1996
  • brand: Sports Parts Inc
  • mpn: 8689-s309219-49
  • part type: Piston

general enginesnowmobile:

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

seller enginesnowmobile:

  • # reviews: 63587
  • rating: 99.5%
  • city: Indiana, US

payments enginesnowmobile:

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

returns enginesnowmobile:

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

shipping enginesnowmobile:

  • cost: $0.00
  • type: Fixed
  • transit: 4-7 Days
  • service: Standard
  • class: Standard

offer enginesnowmobile:

  • availability: In Stock
  • options: Ship-to-home
  • sold: 0
  • started: May 11, 2025
  • quantity: 9
for models: std, 580, ext, for makes: arctic, arctic-cat, for years: 1994-1996, part type: piston,
category: snowmobile parts > engines components > snowmobile engine components, sku: 16505875994547622,
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1 offer $81.66 USD
  • New. Offer #1 priced at $81.66 + $0.00 shipping estimate = $81.66* total. 1997 - 1997 Arctic Cat EXT 580 EFI. 1994 - 1996 Arctic Cat EXT 580.FREE SHIPPING

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