1. Pistons, Rings & Piston Kits Products
  2. sku: 12663547906683891
  3. PRO 8458-P139494-ATV

PRO-X 8458-P139494-ATV Piston Kit Standard Gas Wild 71.95MM Atv

fits model: 300. year: 2003–2005.

8458-p139494-atv Pro-x Piston Kit-standard Bore 71.95mm For 2003-2005 Gas Wild Hp 300 Atv

( Brand: Pro-x ), ( Manufacturer Part Number: 8458-P139494-ATV ), ( Part Type: Hp Piston )

Review PRO X Piston Kit standard Bore 71.95mm For Gas Wild Hp Atv fits 300 2003–2005

Introducing the Pro-X 8458-P139494 ATV piston kit, a high-performance upgrade for your 2003-2005 Gas Wild HP 300 ATV. This piston kit is specifically designed to deliver enhanced power, improved reliability, and increased durability for your off-road vehicle.

The Pro-X 8458-P139494 piston kit includes four pistons, each one meticulously crafted from forged aluminum alloy. This material is known for its exceptional strength and rigidity, ensuring the pistons can withstand the rigors of off-road riding. The piston skirts are treated with a special coating to reduce friction and promote smooth engine operation.

The piston crowns are designed with a high compression ratio to extract maximum power from your engine. This means more torque and horsepower, resulting in quicker acceleration and better overall performance. The piston tops are also engineered to ensure proper squish and ring seal, ensuring optimal combustion and minimizing blowby.

The Pro-X 8458-P139494 piston kit also includes new rings, which are crucial for maintaining piston-to-cylinder sealing. These rings are made from high-quality, heat-resistant material and are precision-machined to ensure a perfect fit. The rings are also designed to reduce friction and promote smooth engine operation.

Installing the Pro-X 8458-P139494 piston kit is a straightforward process. Each piston is accompanied by its corresponding connecting rod, making the assembly process more efficient. The kit also includes new piston pins, which are essential for securing the piston to the connecting rod.

In summary, the Pro-X 8458-P139494 ATV piston kit is an excellent investment for any 2003-2005 Gas Wild HP 300 ATV owner looking to boost performance, enhance reliability, and extend engine life. With its high-quality forged aluminum pistons, high-compression piston tops, and precision-manufactured rings, this kit is the perfect upgrade for your off-road vehicle.

Pros and Cons of buying a PRO-X 8458-P139494-ATV Piston Kit for 2003-2005 Gas Wild HP 300 ATV

1. Pros:

a. Improved Performance: Replacing worn-out pistons with new ones can lead to improved engine performance, including increased horsepower and torque.

b. Enhanced Durability: The kit includes new pistons, rings, and other components, ensuring longer engine life and reliability.

c. Cost-Effective: In the long run, replacing worn-out pistons with a new kit might be more cost-effective than continually repairing or replacing individual parts.

2. Cons:

a. Installation Complexity: Installing the piston kit can be a complex process that requires specialized tools and knowledge. It may be best to have a professional mechanic perform the installation.

b. Cost: The cost of the piston kit is a significant investment, especially for ATV owners on a budget.

c. Potential for Damage: During installation, there is a risk of damaging other engine components if not done correctly, which could lead to additional repair costs.

Conclusion:

The PRO-X 8458-P139494-ATV Piston Kit for 2003-2005 Gas Wild HP 300 ATV offers several advantages, including improved performance and enhanced durability. However, it comes with some drawbacks, such as the installation complexity and cost. Ultimately, the decision to purchase the piston kit depends on the individual's budget, mechanical skills, and desired level of engine performance.

Recommendation:

If you have the budget and the necessary mechanical skills, or if you trust a professional mechanic to install the kit, then the PRO-X 8458-P139494-ATV Piston Kit can be a worthwhile investment for improved engine performance and longevity for your 2003-2005 Gas Wild HP 300 ATV. However, if you're on a tight budget or prefer a less complex solution, consider exploring other options to enhance your ATV's performance.

Details:

Sleeved cylinder piston kits are available in standard size and a Wide range of oversized. Parts without fitment are to be assumed universal and may require vehicle modification. This is helpful if you are buying multiple items. Compatibility: Years: Make: model: Application: Notes: 2000 - 2009 Gas Casandra's EC 3 2003 2005 Gas Wild HP 2009 2019 Gas Gases 300.

I need to exchange an item.: Brand: Pro-X, model Number: 8458-P139494-ATV.

part #: 8458p139494 price

  • $199.99

specifications pistondon:

  • for models: 300
  • for years: 2003-2005
  • brand: Pro-x
  • mpn: 8458-p139494-atv
  • part type: Hp Piston

shipping pistondon:

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

offer pistondon:

  • availability: In Stock
  • quantity: 2
  • started: May 28, 2026
  • options: Ship-to-home
  • sold: 0

payments pistondon:

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  • credit card: Diners-club

returns pistondon:

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

seller pistondon:

  • rating: 99.9%
  • # reviews: 86139
  • city: Indiana, US

general pistondon:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
  • condition: New
for models: 300, for years: 2003-2005, part type: hp piston,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 12663547906683891,

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1 offer $199.99 USD
  • Offer #1: $199.99 price + $0.00 shipping estimate = $199.99* total. 2009 - 2019 Gas Gas EC 300 2003 - 2005 Gas Gas Wild HP 300.FREE SHIPPING

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