1. Snowmobile Parts Items
  2. sku: 8191081184076791
  3. SP1 8630-S507101-80

SP1 8630-S507101-80 Moly Piston Kit Ski Doo 82.00MM

fits model: Std, 800, Summit. make: Ski-doo. year: 2002–2004.

8630-s507101-80 Sp1 T-moly Series Piston Kit-std Bore 82.00mm For 2002-2004 Ski-doo Summit 800

( Brand: Sp1 ), ( Manufacturer Part Number: 8630-S507101-80 ), ( Part Type: Piston )

Review SP1 T moly Series Piston Kit std Bore 82.00mm For Ski doo fits SUMMIT STD 800 2002–2004

Introducing the T-Moly piston kit (Part Number: SP1 8630-S507101-80) specifically designed for the 2002-2004 Ski-Doo Summit 800 models. This piston kit is an essential upgrade for those seeking superior engine performance and durability.

The pistons in this kit are manufactured using high-quality T-Molybdenum material, known for its exceptional strength and resistance to wear. T-Molybdenum pistons offer enhanced piston ring sealing, ensuring optimal compression and combustion efficiency.

Each piston is precision-machined to ensure a perfect fit in the cylinder bore, minimizing the risk of piston slap and reducing engine vibration. The piston crown is finished with a smooth, polished surface that ensures optimal contact with the engine's transfer ports, enhancing power delivery.

The piston kit comes with a complete set of piston rings, including the compression ring, oil control ring, and skirt ring. These rings are made from high-temperature, low-friction materials that ensure long-lasting performance and minimal wear.

The piston skirt is designed with a full-floating, ribbed design that helps to reduce piston side-load, allowing for better piston-to-liner contact and reducing the risk of piston damage.

This piston kit is also compatible with standard 82.00mm bore engines, making it a versatile upgrade for various Ski-Doo Summit 800 models. By upgrading to this T-Moly piston kit, you can expect improved engine power, efficiency, and longevity.

In conclusion, the SP1 8630-S507101-80 T-Moly piston kit is an exceptional upgrade for 2002-2004 Ski-Doo Summit 800 models. Designed using high-quality T-Molybdenum material, this piston kit offers superior strength, durability, and performance. With a complete set of rings and a piston skirt featuring a full-floating, ribbed design, this kit is an essential upgrade for those seeking optimal engine efficiency and longevity.

Pros and Cons of buying a Ski-Doo Summit 800 T-Moly Piston Kit (SP1 8630-S507101-80)

The Ski-Doo Summit 800 T-Moly Piston Kit (SP1 8630-S507101-80) is a popular aftermarket upgrade for the 2002-2004 Ski-Doo Summit 800 models. Like any product, it comes with its advantages and disadvantages.

Pros:

1. Enhanced Performance: T-Moly pistons offer improved combustion efficiency and higher compression ratio, leading to increased power and better throttle response.

2. Durability: The piston kit is designed to withstand the rigors of snowmobiling, providing extended engine life and reducing the need for frequent replacements.

3. Improved Engine Cooling: The piston kit includes molybdenum-coated pistons, which help reduce engine temperatures and improve overall engine performance.

4. OEM Replacement: The kit is a direct replacement for the original pistons, ensuring a perfect fit and minimal installation time.

Cons:

1. Cost: The piston kit is more expensive than the OEM pistons, making it a significant investment for some snowmobilers.

2. Potential Power Increase: While increased power is generally considered a benefit, it may not be desirable for all riders. For those who prefer a more mellow riding experience, the power increase could be a disadvantage.

3. Installation Complexity: Installing the piston kit requires some mechanical expertise and specialized tools, making it a more involved process than swapping out a filter or belt.

Conclusion:

The Ski-Doo Summit 800 T-Moly Piston Kit (SP1 8630-S507101-80) offers several advantages, including enhanced performance, durability, improved engine cooling, and OEM replacement. However, it also comes with some disadvantages, such as cost, potential power increase, and installation complexity. Ultimately, the decision to purchase this piston kit depends on the individual rider's priorities, budget, and mechanical abilities.

Recommendation:

For those looking to maximize the performance of their Ski-Doo Summit 800, the T-Moly piston kit is an excellent investment. However, for those who prefer a more mellow riding experience or are on a tight budget, the standard pistons may be a more suitable option. It is recommended to consult with a trusted snowmobile mechanic or dealer to determine which piston kit is best for your specific riding style and needs.

Details:

Draws heat through piston walls and out the bottom. This is helpful if you are buying multiple items. I need to exchange an item.: Brand: SP1, model Number: 8630-S507101-80.

Reduces heat and friction, for added power longevity. Parts without fitment are to be assumed universal and may require vehicle modification.

part #: 8630s50710180 price

  • $96.82

specifications snowpar:

  • for models: Std, 800, Summit
  • for makes: Ski-doo
  • for years: 2002-2004
  • brand: Sp1
  • mpn: 8630-s507101-80
  • part type: Piston

shipping snowpar:

  • service: Standard
  • type: Fixed
  • class: Standard
  • cost: $0.00
  • transit: 3-6 Days

offer snowpar:

  • options: Ship-to-home
  • quantity: 9
  • sold: 0
  • started: September 4, 2025
  • availability: In Stock

general snowpar:

  • Parts Accessories > Snowmobile Parts > Other Parts
  • condition: New

seller snowpar:

  • # reviews: 64874
  • city: Boise, ID
  • rating: 99.5%

returns snowpar:

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

payments snowpar:

  • other
  • wallet: Google-pay
  • credit card: Discover
for models: std, 800, summit, for makes: ski-doo, for years: 2002-2004, part type: piston,
category: snowmobile parts > parts, sku: 8191081184076791,

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  • Offer #1: $96.82 price + $0.00 shipping estimate = $96.82* total. Reduces heat and friction, for added power and longevity Draws heat through piston walls and out the bottom.FREE SHIPPING

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