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  3. PRO 01.2439.A

PRO-X 01.2439.A Piston Kit 76.95MM

01.2439.a Pro-x Piston Kit - 76.95mm

( Brand: Pro-x ), ( Manufacturer Part Number: 01.2439.A ), ( Type: Engine ), ( Country/region Of Manufacture: Japan ), ( Manufacturer Warranty: 1 Year Manufacturer Warranty ), ( Authorized Dealer: Yes ), ( Bore: 76.95mm ), ( Compatibility Disclaimer: Compatibility Chart Information Provided By ), ( Height: 3.500 ), ( Legal Disclaimer: Your Local Laws Before Purchasing. ), ( Photo Disclaimer: For Reference Only, May Differ From Product, See Item Details. ), ( Sizing: Standard Bore ), ( Vehicletype: Offroad )

Review PRO X Piston Kit 76.95mm

Introducing the PRO-X 01.2439.A Piston Kit, a high-performance upgrade for your engine. This piston kit is specifically designed for applications with a 76.95mm bore size, making it an ideal fit for certain European and Asian vehicles.

Each piston in this kit is meticulously engineered using forged aluminum alloy. The forging process ensures superior strength and durability, enabling the pistons to withstand the demanding conditions of high-performance driving. This material choice also provides excellent heat dissipation, allowing the engine to maintain optimal operating temperatures.

The piston crowns are optimized for a perfect gas exchange, ensuring maximum power output and efficiency. The SKF rings included in the kit are made of high-quality materials and are precisely machined to ensure a perfect seal and minimal friction. The rings are also designed to provide excellent wear resistance, ensuring a long service life.

The piston kit also features low-friction, spherical-shaped piston pins and wrist pins. These pins minimize friction between the piston and the connecting rod, reducing power loss and improving engine efficiency. The piston pins are also coated with a high-performance material that provides excellent durability and resistance to wear.

The piston kit comes with detailed installation instructions, ensuring an easy and straightforward installation process. Each piston is individually numbered for easy identification during installation. The pistons are also supplied with matching rings and wrist pins, ensuring a perfect fit and optimal engine performance.

In summary, the PRO-X 01.2439.A Piston Kit is a high-performance upgrade for your engine, providing superior strength, durability, and efficiency. With its forged aluminum alloy construction, optimized piston crowns, low-friction piston pins, and easy installation process, this piston kit is an excellent choice for those seeking to maximize the potential of their engine.

Pros and Cons of buying a PRO-X 01.2439.A Piston Kit (76.95mm)

I. Introduction

The PRO-X 01.2439.A Piston Kit, with a piston diameter of 76.95mm, is a popular choice among engine builders and enthusiasts. In this analysis, we will discuss the potential advantages and disadvantages of purchasing this piston kit.

II. Pros

1. High-Quality Material: The PRO-X piston kit is manufactured using forged aluminum alloy, ensuring durability and strength.

2. Precision Manufacturing: Each piston is engineered to tight tolerances, ensuring proper fitment and optimal engine performance.

3. Temperature Resistance: These pistons are designed to handle high temperatures, making them suitable for high-performance applications.

4. Enhanced Power: The pistons' design allows for increased power output, making them a popular choice for engine upgrades.

III. Cons

1. Cost: Compared to OEM (Original Equipment Manufacturer) pistons, aftermarket pistons like the PRO-X 01.2439.A can be more expensive.

2. Installation Complexity: Installing aftermarket pistons requires more expertise and time compared to OEM pistons.

3. Potential for Engine Damage: Due to the precision involved in machining the piston to fit the engine, incorrect installation or improper clearances can lead to engine damage.

IV. Conclusion

While the PRO-X 01.2439.A Piston Kit offers several advantages, including high-quality materials, precision manufacturing, temperature resistance, and enhanced power, it also comes with some disadvantages, such as cost, installation complexity, and the potential for engine damage if not installed correctly.

V. Recommendation

If you are considering purchasing the PRO-X 01.2439.A Piston Kit, it is recommended that you consult with a professional engine builder or mechanic to ensure proper installation and clearances. This will help mitigate the risks associated with aftermarket pistons and ensure optimal performance and longevity for your engine.

Details:

Comes complete with pistons, piston rings, wrist pin and cir clips. Mainly manufactured in Japan by reputable Original Equipment Manufacturers to Proxy exact specifications and high quality standards. Vehicle Fitment: 2020 2023 fits YAM WR250F, 2019 2023 YZ250F, 2021 2023 YZ250F ME Energy Edition, 2020 2022 YZ250FX Sleeved cylinder piston kits are available in standard size and a Wide range of oversized. Bore: 76.95mm, Sizing: Standard Bore, Excellent economic alternative when you are looking for an Factory quality replacement piston.

Plated cylinder piston kits come in standard size, as well A, B, C antifreeze's if available.

part #: 012439a price

  • $169.99

specifications pistondon:

  • brand: Pro-x
  • mpn: 01.2439.a
  • type: Engine
  • country/region of manufacture: Japan
  • manufacturer warranty: 1 Year Manufacturer Warranty
  • authorized dealer: Yes
  • bore: 76.95mm
  • compatibility disclaimer: Compatibility Chart Information Provided By
  • height: 3.500
  • legal disclaimer: Your Local Laws Before Purchasing.
  • photo disclaimer: For Reference Only, May Differ From Product, See Item Details.
  • sizing: Standard Bore
  • vehicletype: Offroad

general pistondon:

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

seller pistondon:

  • rating: 97.8%
  • city: Cedar Park, Texas
  • # reviews: 175808

shipping pistondon:

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

payments pistondon:

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

offer pistondon:

  • availability: In Stock
  • quantity: 2
  • options: Ship-to-home
  • started: May 28, 2025
  • sold: 0

returns pistondon:

  • paid by: Buyer
  • time: 30 Days
  • policy: Returns Accepted
type: engine, country/region of manufacture: japan, manufacturer warranty: 1 year manufacturer warranty, authorized dealer: yes, bore: 76.95mm, compatibility disclaimer: compatibility chart information provided by, legal disclaimer: your local laws before purchasing., photo disclaimer: for reference only, may differ from product, see item details., sizing: standard bore, vehicletype: offroad,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, height: 3.500, sku: 6656764356187622,

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