WISECO 4790-W373421-20 Piston Kit Ski Doo 78.00MM

( Brand: Wiseco ), ( Manufacturer Part Number: 4790-W373421-20 ), ( Part Type: Piston )

Review WISECO Piston Kit std Bore 78.00mm Ski doo fits GRAND STD TOURING GS 700 2001–2002

The Wiseco 4790-W373421-20 piston kit is a high-performance upgrade designed specifically for the 2001-2002 Ski-Doo Touring 700 GS snowmobiles with a 78.00mm bore size. This piston kit is an excellent choice for riders who are looking to enhance the power output and overall performance of their snowmobiles.

Each piston in this kit is meticulously crafted using Wiseco's proprietary forging process. This process ensures that the pistons have a precise shape and are made from the highest quality materials. The pistons are also coated with a durable, low-friction skirt coating that reduces wear and tear, ensuring a long service life.

The piston kit also includes Wiseco's latest ring package, which is designed to provide maximum compression and sealing efficiency. The rings are made from high-quality materials that are specifically formulated for use in high-performance applications. The rings also feature a unique design that minimizes ring groove distortion, ensuring optimal ring performance throughout the entire RPM range.

The piston kit also includes Wiseco's high-performance wrist pins, which are made from aircraft-grade billet aluminum. These wrist pins are designed to provide maximum strength and durability, ensuring that the pistons remain in place under even the most extreme conditions.

Installing the Wiseco 4790-W373421-20 piston kit on your Ski-Doo Touring 700 GS snowmobile is a straightforward process. The kit includes all of the necessary hardware and instructions to make the installation process as easy as possible. And, with Wiseco's industry-leading customer support, you can have peace of mind knowing that you have access to expert advice and guidance every step of the way.

In summary, the Wiseco 4790-W373421-20 piston kit is an excellent upgrade for any 2001-2002 Ski-Doo Touring 700 GS snowmobile owner looking to improve performance and power output. Each piston is meticulously crafted using Wiseco's proprietary forging process, and the kit includes Wiseco's latest ring package and high-performance wrist pins. With easy installation and industry-leading customer support, this piston kit is the perfect choice for any serious snowmobiling enthusiast.

Wiseco 4790-W373421-20 Piston Kit for 2001-2002 Ski-Doo Touring 700GS: A Detailed Analysis

The Wiseco 4790-W373421-20 piston kit is designed for the 2001-2002 Ski-Doo Touring 700GS. This piston kit is known for its high performance and durability. In this analysis, we will discuss the pros and cons of purchasing this piston kit for your Ski-Doo snowmobile.

1. Enhanced Performance: The Wiseco piston kit is designed to provide improved performance by increasing power output and reducing engine friction. The pistons are made from forged aluminum, which is stronger and lighter than the OEM pistons.

2. Durability: The forged aluminum pistons are stronger and more durable than the OEM pistons. This makes the Wiseco piston kit ideal for high-performance use and heavy-duty applications.

3. Improved Compression: The piston kit offers improved compression, which leads to better fuel efficiency and increased power output.

4. Customizable: Wiseco offers a range of piston sizes to suit different engine configurations and riding styles. This means you can choose the piston kit that best meets your needs.

1. Cost: The Wiseco piston kit is more expensive than the OEM piston kit. This may be a deterrent for some riders who are on a budget.

2. Installation: Installing the Wiseco piston kit requires some mechanical knowledge and experience. It is recommended that you have the kit installed by a professional mechanic to ensure proper installation and avoid any potential issues.

3. Limited Availability: The Wiseco piston kit may not be readily available at all dealerships or retailers. This means you may need to order it online or wait for it to be shipped.

The Wiseco 4790-W373421-20 piston kit for the 2001-2002 Ski-Doo Touring 700GS offers several advantages, including enhanced performance, durability, improved compression, and customizability. However, it also comes with some disadvantages, such as a higher cost, installation challenges, and limited availability.

If you are looking for improved performance and durability for your Ski-Doo snowmobile and are willing to invest in a high-quality piston kit, then the Wiseco 4790-W373421-20 piston kit is an excellent choice. However, if you are on a tight budget or are not comfortable with the installation process, then the OEM piston kit may be a better option for you.

If you are looking to upgrade the pistons on your 2001-2002 Ski-Doo Touring 700GS for improved performance and durability, then the Wiseco 4790-W373421-20 piston kit is an excellent choice. However, it is recommended that you have the kit installed by a professional mechanic to ensure proper installation and avoid any potential issues. Additionally, be sure to order the kit well in advance to ensure availability.

Details:

All Wiseco pistons and components are optimized for your vehicle to get the most value money. Wiseco Piston Kit-Std Bore 78.00mm for 2001 2002 Ski-Doo Grand Touring 700 GS: Bore: 78.00mm, Sizing: Standard. I need to exchange an item. This is helpful if you are buying multiple items.

Wiseco wide range of oversize pistons increase the life cast iron lined cylinders.: Brand: Wiseco, model Number: 4790-W373421-20. Parts without fitment are to be assumed universal and may require vehicle modification. STANDARD and OVERSIZES are not indicated.

KA Series Ring - Alloy Steel, ferric coated, chrome faced, side notched, half-keystone. Actual Contents May Vary From Photo, All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life. Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect with no size variation.

part #: 4790w37342120 price

• $166.07

specifications enginesnowmobile:

• for models: Std, Touring, Gs, 700, Grand
• for makes: Ski-doo
• for years: 2001-2002
• brand: Wiseco
• mpn: 4790-w373421-20
• part type: Piston

general enginesnowmobile:

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

shipping enginesnowmobile:

• type: Fixed
• class: Standard
• cost: $0.00
• service: Standard
• transit: 2-6 Days

returns enginesnowmobile:

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

payments enginesnowmobile:

• other
• credit card: Visa
• wallet: Google-pay

offer enginesnowmobile:

• availability: In Stock
• started: August 14, 2025
• quantity: 9
• sold: 0
• options: Ship-to-home

seller enginesnowmobile:

• city: Sparks, NV
• # reviews: 64647
• rating: 99.5%

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