1. Pistons, Rings & Piston Kits Products
  2. sku: 12605004578170008
  3. NAMURA NA-50001-4

NAMURA TECHNOLOGIES NA-50001-4 Piston Kit Atv Utv Pwc 350L 1.00MM 80.95MM Atv/utv Bike

Na-50001-4 Namura Technologies Piston Kit - 1.00mm Oversize To 80.95mm Motorcycle Atv/utv Dirt Bike Pwc

( Brand: Namura Technologies ), ( Manufacturer Part Number: NA-50001-4 ), ( Model: 350L 2X4 ), ( Part Type: Piston ), ( Make: Polaris )

Review NAMURA TECHNOLOGIES Piston Kit 1.00mm Oversize To 80.95mm Motorcycle Atv/utv Dirt Bike Pwc

Introducing the Namura NA-50001-4 Piston Kit, specifically designed for ATVs, UTVs, and personal watercraft (PWC) with a piston bore size of 1.00mm and a stroke length of 80.95mm. This piston kit is an excellent upgrade for your vehicle, ensuring superior performance and reliability.

The pistons are meticulously engineered using high-quality materials to provide enhanced durability and resistance to wear and tear. The piston crowns are designed with a precise dome shape to optimize combustion efficiency, while the piston skirts feature a state-of-the-art coating that minimizes friction and reduces engine wear.

Each piston kit comes with four pistons, specifically matched to ensure optimal engine balance and performance. The pistons are also designed with a close-tolerance piston-to-liner clearance, which reduces engine noise and vibration, resulting in a smoother and more enjoyable riding experience.

The piston kit is also compatible with various types of engines, making it a versatile solution for a wide range of vehicles. It is important to note that installation should only be carried out by a qualified technician to ensure proper fitment and to avoid any potential damage to the engine.

In summary, the Namura NA-50001-4 Piston Kit is an exceptional upgrade for your ATV, UTV, or PWC. Its high-quality materials, precise engineering, and compatibility with various engines make it an excellent investment for those seeking improved performance and reliability from their vehicle.

The Namura NA-50001-4 piston kit is a 1.00mm overbore piston set designed for ATV/UTV bikes and PWCs with an 80.95mm bore size. Here are some potential pros and cons to consider before making a purchase:

Pros:

1. Enhanced Performance: This piston kit is designed to provide improved engine performance by increasing the bore size, which allows for more air and fuel mixture to enter the engine during the intake stroke. This can lead to increased horsepower and torque.

2. Durability: The piston kit is made from high-quality materials, including forged pistons and rings, which can help increase the lifespan of the engine by reducing wear and tear.

3. Customizable: This piston kit can be used to upgrade the performance of various ATV/UTV models and PWCs, making it a versatile option for those looking to enhance the capabilities of their vehicle.

4. Cost-Effective: While the upfront cost of the piston kit may be higher than stock pistons, it can be a cost-effective solution in the long run, as it can reduce the need for frequent engine replacements.

Cons:

1. Installation: Installing the piston kit can be a complex and time-consuming process, requiring specialized tools and knowledge. It may be necessary to hire a professional mechanic to ensure a proper installation.

2. Increased Fuel Consumption: The increased performance of the engine may lead to increased fuel consumption, which can result in higher operating costs.

3. Risk of Engine Damage: Installing the wrong piston size or improperly installing the piston kit can result in engine damage, which can be costly to repair.

Conclusion:

The Namura NA-50001-4 piston kit can provide significant performance upgrades for ATV/UTV bikes and PWCs with an 80.95mm bore size. However, it comes with some potential drawbacks, including the complex installation process and increased fuel consumption. Ultimately, the decision to purchase this piston kit depends on your specific needs, budget, and level of mechanical expertise.

Recommendation:

If you are confident in your mechanical abilities and have the necessary tools and knowledge to install the piston kit, it can be a cost-effective and high-performance upgrade for your ATV/UTV or PWC. However, if you are unsure about the installation process or do not have the necessary resources, it may be worth considering hiring a professional mechanic to install the kit for you. Additionally, be sure to double-check that the piston kit is compatible with your specific make and model before making a purchase.

Details:

Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures. Bore: 80.95mm, Sizing: 1.00mm Oversize, Compression: Standard Compression, Sold as: Each. Namura, 81.00mm Piston Kit, This item fits the following model's: Polaris Trail Boss 350L 2x4 1993, Polaris 1992, 1991, 1990, 4x4 1990. Any damage claims may be exchanged for the identical item only.

Some tests have shown this feature can increase horsepower and fuel economy by up to 6%. Machined Smooth Heads - Reflects combustion heat and reduces carbon buildup, protecting the top of piston. MOS2 Teflon/Molybdenum Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spray coatings.

part #: na500014 prices

  • $74.17-$87.51

specifications pistondon:

  • brand: Namura Technologies
  • mpn: Na-50001-4
  • model: 350l 2x4
  • part type: Piston
  • make: Polaris

shipping pistondon:

  • cost: $0.00
  • service: Economy, Standard, Expedited
  • class: Economy, Standard, Expedited
  • transit: 4-8 Days
  • type: Fixed

seller pistondon:

  • # reviews: 650549
  • city: Loudon, Tennessee
  • rating: 99.7%

returns pistondon:

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

offer pistondon:

  • options: Ship-to-home
  • started: May 26, 2026
  • availability: In Stock
  • quantity: 5
  • sold: 0

payments pistondon:

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

general pistondon:

  • Motorcycle Scooter Parts Accessories > Engines Engine Parts > Pistons, Rings Piston Kits
  • condition: New
part type: piston,
manufacturer: polaris, category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 12605004578170008,

Namura Technologies NA-50001-4 Is Similar To:

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5 offers $74.17–$87.51 USD
  • Offer #1: $74.17 price + $0.00 shipping estimate = $74.17* total. Machined Smooth Heads Reflect combustion heat and reduces carbon buildup, protecting the top of the piston. MOS2 (Teflon/Molybdenum) Coated Skirts increased heat transfer, reduced friction, and helping to eliminate cold seizures.FREE SHIPPING
  • Offer #2: $87.51 price + $0.00 shipping estimate = $87.51* total. NAMURA PISTONS.FREE SHIPPING
  • Offer #3: $82.99 price + $0.00 shipping estimate = $82.99* total. All Namura pistons have premium world class rings. Genuine Namura Products NAMURA PISTONS.FREE SHIPPING
  • Offer #4: $87.51 price + $0.00 shipping estimate = $87.51* total.FREE SHIPPING
  • Offer #5: $80.41 price + $0.00 shipping estimate = $80.41* total. Rings will fit Orig.FREE SHIPPING

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