SP1 8609-S309059-59 Moly Piston Kit Powder Cat 78.00MM

( Brand: Sp1 ), ( Manufacturer Part Number: 8609-S309059-59 ), ( Part Type: Piston Powder )

Review SP1 T moly Series Piston Kit std Bore 78.00mm For Arctic Cat Powder fits STD 1998–1999

Introducing the T-Moly Piston Kit (SP1 8609-S309059-59) from Arctic Cat, specifically designed for Arctic Cat Powder sleds manufactured between 1998 and 1999. This piston kit is an essential upgrade for those looking to improve the performance and longevity of their sled's engine.

The T-Moly Piston Kit includes a complete set of high-quality, molybdenum-coated pistons. Molybdenum is a valuable additive known for its superior heat resistance and durability. By coating the pistons with molybdenum, this kit enhances the piston's lifespan, allowing it to withstand the intense heat and pressure generated during long, grueling rides in various snow conditions.

Each piston is meticulously engineered to ensure a precise fit and optimal engine performance. The pistons feature a standard 78.00mm bore size, which is compatible with the majority of Arctic Cat Powder sleds from the specified model years. The pistons are also designed to work seamlessly with the sled's existing connecting rods and crankshaft.

This piston kit is not only a performance upgrade but also a reliability improvement. The molybdenum coating reduces friction between the piston and cylinder walls, leading to smoother engine operation and reduced wear and tear. This results in less engine downtime, fewer repairs, and increased overall satisfaction with your sled's performance.

The T-Moly Piston Kit (SP1 8609-S309059-59) from Arctic Cat is an excellent investment for any Arctic Cat Powder sled owner looking to enhance their sled's performance and longevity. Whether you're a weekend warrior or a dedicated racer, this piston kit is sure to provide you with the power and reliability you need to tackle any snowy terrain with confidence.

Pros and Cons of buying a Arctic Cat T-Moly Piston Kit (SP1 8609-S309059-59) for 1998-1999 Arctic Cat Powder Snowmobiles

a. Enhanced Performance: The T-Moly piston kit is designed to improve the overall performance of your 1998-1999 Arctic Cat powder snowmobile by providing better combustion efficiency, reducing friction, and increasing power output.

b. Durability: The piston kit is made of high-quality materials, including T-Molybdenum pistons, which are known for their superior strength and resistance to wear and tear, ensuring longevity and reliability.

c. Easy Installation: The kit comes with all necessary hardware, making it a straightforward installation process for most users.

d. Improved Efficiency: The T-Moly piston kit can help improve fuel efficiency by reducing engine friction and improving combustion efficiency, resulting in cost savings over time.

e. OEM Replacement: This kit is an original equipment manufacturer (OEM) replacement, ensuring a perfect fit and function.

a. Cost: The Arctic Cat T-Moly piston kit can be more expensive compared to other aftermarket options, which may deter some buyers.

b. Availability: Depending on your location, the kit may not be readily available at local dealerships or retailers, requiring you to order it online.

c. Potential Compatibility Issues: While the kit is designed for 1998-1999 Arctic Cat powder snowmobiles, there is a possibility of compatibility issues with specific models or variations. It is essential to double-check compatibility before purchasing.

The Arctic Cat T-Moly piston kit (SP1 8609-S309059-59) offers several benefits for those seeking improved performance, durability, and efficiency for their 1998-1999 Arctic Cat powder snowmobile. However, it comes with a higher price tag compared to some aftermarket alternatives and may have potential compatibility issues. Ultimately, the decision to purchase this kit depends on your budget, priority for performance, and the specific model of your snowmobile. If you value the enhanced performance and durability that the T-Moly piston kit provides and can afford the investment, it may be a worthwhile purchase. Otherwise, you may want to consider more budget-friendly aftermarket alternatives.

Details:

SP1 T-Moly Series Piston Kit-Std Bore 78.00mm for 1998 - 1999 Arctic Cat Powder Special 600 EFI LE Snowmobile: Machined smooth heads, MOS 2 Coating: Draws heat through piston walls and out the bottom, Reduces friction, added power longevity, Helps eliminate cold seizures, increases durability, Hard anodized crowns, Hyper eutectic Cast.: Brand: SP1, model Number: 8609-S309059-59. A case motors has 20mm wrist pins, 1998 - 1999 Arctic Cat Powder Special 600 Case Motors. This is helpful if you are buying multiple items.

Compatibility: Years: Make: model: Application: Notes: 1998 - 1998 Arctic Cater 600 EFI LE XC A Case Motors. Parts without fitment are to be assumed universal and may require vehicle modification. I need to exchange an item.

part #: 8609s30905959 prices

• $109.99-$129.95

specifications snowpar:

• for models: Std
• for makes: Arctic, Arctic-cat
• for years: 1998-1999
• brand: Sp1
• mpn: 8609-s309059-59
• part type: Piston Powder

shipping snowpar:

• service: Standard
• class: Standard
• transit: 2-5 Days
• cost: $0.00
• type: Fixed

general snowpar:

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

returns snowpar:

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

offer snowpar:

• availability: In Stock
• started: March 19, 2026
• quantity: 9
• sold: 0
• options: Ship-to-home

payments snowpar:

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

seller snowpar:

• city: Boise, ID
• rating: 99.9%
• # reviews: 80409

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