WISECO 457M04900 Piston Kit Standard Atv Utv 48.95MM Atv/utv

( Brand: Wiseco ), ( Manufacturer Part Number: 457M04900 ), ( Part Type: Piston )

Review WISECO Piston Kit Standard Bore 48.95mm Motorcycle Atv/utv fits STREET

The WiseCo 457M04900 piston kit is a high-performance upgrade for standard ATV/UTV applications. This piston kit is designed specifically for engines with a bore size of 48.95mm and a stroke length of 45.7mm, making it an ideal choice for certain models of Polaris, Yamaha, and other popular ATV and UTV brands.

Each piston in this kit is meticulously crafted using forged aluminum alloy, ensuring superior strength and durability. The piston crowns feature optimized combustion chamber designs to improve combustion efficiency and power output. The piston skirts are designed with a full-floating pin design, allowing them to conform to the cylinder wall for a perfect seal and reduced friction.

The pistons come complete with piston rings, including a compression ring, an oil control ring, and a top ring. The rings are made from high-quality, heat-resistant materials to ensure reliable performance and long service life.

The piston pins are made from high-tensile steel and are precision-machined to ensure a perfect fit. They feature a roller pin design, which reduces friction and improves durability.

This piston kit also includes new piston pin bushings, which are designed to provide a snug fit and minimize engine blowby. The bushings are made from a high-quality material that can withstand the extreme temperatures and pressures of the engine.

Installing this piston kit is a straightforward process, thanks to the included installation instructions and high-quality hardware. Each piston kit includes all necessary hardware, including new piston clips, piston pin retainers, and wrist pin bolts.

In summary, the WiseCo 457M04900 piston kit is a high-quality, performance-enhancing upgrade for ATV and UTV engines. Its forged aluminum pistons, optimized combustion chamber designs, and full-floating pin design provide superior strength, durability, and efficiency. The piston kit also includes new piston rings, piston pins, and piston pin bushings, as well as all necessary installation hardware.

Wiseco 457M04900 Piston Kit: A Detailed Analysis

The Wiseco 457M04900 piston kit is a popular choice among ATV and UTV enthusiasts for upgrading their engines. Let's explore the potential advantages and disadvantages of investing in this piston kit.

1. Enhanced performance: The Wiseco piston kit is designed to provide better compression ratio and increased power output, resulting in improved engine performance.

2. High-quality materials: The piston kit is manufactured using high-quality materials, ensuring durability and reliability for extended periods.

3. Customizable: The kit is available in various sizes to cater to different engine configurations, allowing users to tailor the kit to their specific vehicle.

4. Improved engine efficiency: The piston kit can help improve engine efficiency by reducing friction and optimizing combustion, leading to better fuel economy and reduced emissions.

1. Cost: The Wiseco piston kit can be quite expensive compared to OEM alternatives, which might deter some buyers.

2. Installation complexity: Installing the piston kit requires a significant amount of expertise and experience, making it a challenging DIY project for many users.

3. Potential compatibility issues: Although the kit is available in various sizes, it's essential to ensure that it is compatible with your specific engine and vehicle make and model before purchasing.

The Wiseco 457M04900 piston kit offers several advantages, such as enhanced performance, high-quality materials, customizability, and improved engine efficiency. However, its high cost, complexity of installation, and potential compatibility issues may deter some buyers.

If you are an experienced ATV or UTV enthusiast looking for a significant performance upgrade and are willing to invest both time and money, the Wiseco 457M04900 piston kit is an excellent choice. However, if you are a beginner or have a limited budget, it might be more practical to consider other performance upgrades or OEM alternatives. Always double-check compatibility before purchasing to avoid any potential issues.

Details:

Any damage claims may be exchanged for the identical item only. Diamond turned finish from one of the many CNC computer controlled turning centers guarantees you a perfect with no size variation. Compression: Standard Compression, Bore: 48.95mm, Sizing: Bore, Sold as: Each

All Wiseco Pistons are forged from high silicon, low expansion aluminum which offers superior strength, reduced weight, improved heat transfer, and longer life. Displacement: 79cc. Bore - Standard: 49.00mm. Bore - Oversize: STD.

Wiseco, Piston Assembly, This item fits the following model's: Yamaha YZ80 1980, Yamaha 1979, 1978, 1977, 1976.

part #: 457m04900 prices

• $110.90-$121.99

specifications pistondon:

• for models: Street
• brand: Wiseco
• mpn: 457m04900
• part type: Piston

payments pistondon:

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

offer pistondon:

• availability: In Stock
• started: January 10, 2026
• options: Ship-to-home
• quantity: 4
• sold: 0

general pistondon:

• Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
• condition: New

seller pistondon:

• rating: 99.4%
• # reviews: 610173
• city: Loudon, Tennessee

shipping pistondon:

• class: Economy, Standard, Expedited
• type: Fixed
• transit: 5-12 Days
• cost: $0.00
• service: Economy, Standard, Expedited

returns pistondon:

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

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