SPORTS PARTS INC 3709-S263259-19 Spi Moly Piston Kit Cat 66.50MM

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 3709-S263259-19 ), ( Part Type: Piston )

Review SPORTS PARTS INC Spi T moly Series Piston Kit std Bore 66.50mm Arctic Cat fits STD ZR 440 1996–1998

Introducing the 3709-S263259-19 SPI T-Moly Piston Kit - Standard for the 1996-1998 Arctic Cat ZR 440 snowmobiles. This piston kit is designed to provide optimal performance and reliability for your Arctic Cat snowmachine.

The pistons in this kit are made from T-Molybdenum material, which is known for its exceptional strength and durability. The piston skirts are designed to minimize friction and provide excellent ring sealing, ensuring optimal compression and power output. The piston crowns are engineered to provide efficient combustion, resulting in improved engine performance and fuel efficiency.

Each piston is precisely machined to ensure a perfect fit in your engine. The piston pins are made from high-strength steel and are phosphate-coated to prevent corrosion and wear. The piston rings are made from high-quality material and are designed to ensure proper sealing and longevity.

This piston kit also includes new piston pin bushings, which are essential for the proper functioning of the piston assembly. The bushings are made from high-quality material and are designed to provide a snug fit and minimize wear.

Installing this piston kit is a straightforward process and can be done using common hand tools. The kit includes detailed instructions to guide you through the installation process. Additionally, the pistons and piston pins are pre-gapped to ensure proper clearance with the connecting rods, making the installation even easier.

In conclusion, the 3709-S263259-19 SPI T-Moly Piston Kit - Standard for the 1996-1998 Arctic Cat ZR 440 snowmobiles is an excellent investment for anyone looking to improve the performance and reliability of their snowmachine. With its high-quality materials, precise machining, and straightforward installation process, this piston kit is sure to provide years of trouble-free operation.

Pros and Cons of Buying a 1996-1998 Arctic Cat ZR 440 SPI T-Moly Piston Kit (3709-S263259-19)

1. **Improved Engine Performance:** The T-Moly piston kit is designed to provide enhanced engine performance. It is made of high-quality materials that can withstand the rigors of snowmobiling, ensuring optimal power delivery and increased efficiency.

2. **Longer Lifespan:** The pistons in this kit are made of molybdenum disulfide (T-Moly), a material known for its excellent resistance to wear and tear. This means that the pistons will last longer than the stock pistons, reducing the frequency of engine rebuilds.

3. **Increased Compatibility:** This piston kit is engineered specifically for the 1996-1998 Arctic Cat ZR 440 models. It is a direct fit, ensuring a seamless installation process and eliminating the need for any modifications.

4. **Better Engine Protection:** The T-Moly material used in the pistons provides superior lubrication, reducing friction and heat build-up. This results in better engine protection and longer engine life.

5. **Potential for Increased Power:** Some users report an increase in power after installing this piston kit. However, this can depend on various factors such as engine condition, modifications, and riding style.

6. **Cost:** The piston kit may be more expensive than the stock pistons. While the long-term benefits, such as improved performance, longer lifespan, and better protection, can outweigh the initial investment, it's essential to consider your budget.

7. **Installation Complexity:** Installing a piston kit can be a complex process. It may require specialized tools and expertise. If you're not confident in your abilities, consider hiring a professional or seeking help from a knowledgeable mechanic.

8. **Possible Break-in Period:** After installing the new pistons, there might be a break-in period during which the engine should be run at lower RPMs to ensure proper seating of the piston rings. This can add to the overall installation time.

9. **Quality and Reliability:** Ensure that you're purchasing the piston kit from a reputable manufacturer to guarantee its quality and reliability. Some aftermarket parts may not meet the same standards as OEM parts.

In conclusion, the 1996-1998 Arctic Cat ZR 440 SPI T-Moly Piston Kit (3709-S263259-19) offers several benefits, such as improved engine performance, longer piston lifespan, increased compatibility, better engine protection, and the potential for increased power. However, it also comes with some drawbacks, including higher cost, installation complexity, and a possible break-in period. Ultimately, the decision to purchase this piston kit depends on your priorities, budget, and the condition of your engine. If you value improved performance and longevity, this piston kit could be a worthwhile investment.

Details:

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. Parts without fitment are to be assumed universal and may require vehicle modification. Compatibility: Years: Make: model: Application: Notes: 1996 - 1998 Arctic Cater 440, 1998 440 Son Pro.

SPI T-Moly Series Piston Kit-Std Bore 66.50mm for 1996 - 1998 Arctic Cat ZR 440: Bore. This is helpful if you are buying multiple items.: Brand: Sports Parts Inc, model Number: 3709-S263259-19.

part #: 3709s26325919 prices

• $87.25-$114.74

specifications enginesnowmobile:

• for models: Std, Zr, 440
• for makes: Arctic, Arctic-cat
• for years: 1996-1998
• brand: Sports Parts Inc
• mpn: 3709-s263259-19
• part type: Piston

shipping enginesnowmobile:

• type: Fixed
• class: Standard
• service: Standard
• transit: 4-6 Days
• cost: $0.00

general enginesnowmobile:

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

payments enginesnowmobile:

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

seller enginesnowmobile:

• city: Indiana, US
• rating: 99.5%
• # reviews: 63939

returns enginesnowmobile:

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

offer enginesnowmobile:

• sold: 0
• availability: In Stock
• quantity: 3
• options: Ship-to-home
• started: June 7, 2025

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