SP1 2659-S351159-49 Moly Piston Kit Cat 79.70MM

( Brand: Sp1 ), ( Manufacturer Part Number: 2659-S351159-49 ), ( Part Type: Piston )

Review SP1 T moly Series Piston Kit std Bore 79.70mm For Arctic Cat fits M6 STD EFI 2005–2007

Introducing the T-Moly piston kit (SP1 2659-S351159-49) specifically designed for the Arctic Cat M6 EFI snowmobiles manufactured between 2005 and 2007. This piston kit is an essential upgrade for those seeking superior engine performance and durability.

The pistons in this kit are crafted from T-Molybdenum material, which is known for its exceptional strength and resistance to wear and tear. The T-Moly pistons offer enhanced thermal conductivity, allowing for efficient heat dissipation and reducing the chances of engine overheating. Their unique design provides an improved compression ratio, leading to increased engine power and torque.

Each piston in the kit comes equipped with a durable, forged design that ensures strength and reliability even under the most demanding conditions. The piston crowns are precision machined to ensure a perfect fit and optimal engine compression.

The piston kit also includes new rings, which are crucial for sealing the combustion chamber effectively to prevent engine oil from leaking into the cylinder. These high-quality rings are designed to minimize friction and wear, ensuring optimal engine performance and longevity.

Installation of the T-Moly piston kit is straightforward, with clear instructions provided to make the process as seamless as possible. The kit includes all necessary hardware for a successful installation.

Investing in the T-Moly piston kit (SP1 2659-S351159-49) is an excellent decision for Arctic Cat M6 EFI snowmobile owners who are looking to enhance their engine's performance and durability. This piston kit is a must-have for those who demand the best from their snowmobiles and who are committed to maintaining their machines in top condition.

Pros and Cons of buying a Arctic Cat M6 EFI T-Moly Piston Kit (SP1 2659-S351159-49)

The Arctic Cat M6 EFI T-Moly Piston Kit (SP1 2659-S351159-49) is a popular aftermarket upgrade for the 2005-2007 Arctic Cat M6 EFI snowmobiles. This piston kit is designed to provide improved performance and durability. In this article, we will discuss the pros and cons of buying this piston kit.

1. Enhanced Performance: The T-Moly pistons offer better thermal conductivity than their aluminum counterparts. This results in faster engine warm-up and improved performance.

2. Increased Durability: The T-Moly pistons are known for their superior strength and durability. They can withstand the high temperatures and pressures of the snowmobile engine, extending the life of the engine.

3. Improved Compatibility: This piston kit is specifically designed for the Arctic Cat M6 EFI, ensuring a perfect fit and optimal performance.

4. Better Efficiency: The T-Moly pistons reduce engine friction, leading to improved fuel efficiency and reduced emissions.

1. Higher Cost: The T-Moly piston kit is more expensive than the stock aluminum pistons. This may be a deterrent for some buyers.

2. Installation Complexity: Installing the T-Moly piston kit requires specialized knowledge and tools. It is recommended that the installation be done by a professional mechanic.

3. Potential Engine Modifications: In some cases, installing the T-Moly piston kit may require additional engine modifications, such as upgraded rings or a modified crankshaft, which can add to the overall cost.

The Arctic Cat M6 EFI T-Moly Piston Kit (SP1 2659-S351159-49) offers several advantages over the stock aluminum pistons, including enhanced performance, increased durability, improved compatibility, and better efficiency. However, it also comes with some drawbacks, such as a higher cost, installation complexity, and potential engine modifications.

If you are an avid snowmobiler and want to get the most out of your Arctic Cat M6 EFI, the T-Moly piston kit is a worthwhile investment. However, it is important to consider the additional cost, installation complexity, and potential engine modifications before making the purchase. It is recommended that you consult with a professional mechanic to determine if the T-Moly piston kit is the right choice for your specific snowmobile and riding style.

Details:

Parts without fitment are to be assumed universal and may require vehicle modification. I need to exchange an item. SP1 T-Moly Series Piston Kit-Std Bore 79.70mm for 2005 - 2007 Arctic Cat M6 EFI 141 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. This is helpful if you are buying multiple items.

Brand: SP1, model Number: 2659-S351159-49. Compatibility: Years: Make: model: Application: Notes: 2003 - 2006 Arctic CatF7 Fire cat EFI, 2004 2005 Arctic EFI EXT, 2005 2009 Arctic CatM6 153, Gettysburg 600 LX, 2006 Cat Crossfire 700 Early Build, 2004 Arctic Fire cat, Son Pro, R, 6 2007 Arctic 141, Tony Stewart, EXT.

part #: 2659s35115949 prices

• $109.99-$574.00

specifications snowpar:

• for models: M6, Std, Efi
• for makes: Arctic, Arctic-cat
• for years: 2005-2007
• brand: Sp1
• mpn: 2659-s351159-49
• part type: Piston

returns snowpar:

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

payments snowpar:

• other
• credit card: Discover
• wallet: Apple-pay

general snowpar:

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

seller snowpar:

• rating: 99.5%
• city: Boise, ID
• # reviews: 63733

offer snowpar:

• started: May 21, 2025
• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 9

shipping snowpar:

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

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