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  3. NAMURA NA-40011-2

NAMURA NA-40011-2 Piston Kit 758891086244

Na-40011-2 Namura - Piston Kit

( Brand: Namura ), ( Manufacturer Part Number: NA-40011-2 ), ( Part Type: Piston ), ( UPC: 758891086244 )

Review NAMURA Piston Kit

The Namura Na-40011-2 Piston Kit is an essential upgrade for any small engine user seeking superior performance and durability. This piston kit is specifically designed for 1-cylinder, 4-stroke, air-cooled engines, making it a versatile solution for a wide range of applications.

The pistons are engineered using high-quality aluminum alloy, ensuring a strong and lightweight construction. Each piston features a unique, full-dome design that provides superior combustion efficiency, leading to increased power output and improved fuel economy. The piston skirt is designed with a generous compression height, ensuring a snug fit in the cylinder bore and minimizing piston sideplay for optimal engine performance.

The piston rings are made from a high-tensile, nitrided steel material that provides excellent sealing properties, even in high-heat conditions. The rings are also precision-machined to ensure a perfect fit and optimal compression.

The piston pin is made from hardened steel, providing the strength and durability required for high-performance applications. The pin is also coated with a low-friction material, reducing wear and minimizing the risk of galling.

The piston kit also includes a set of piston rings grooves, which are precision-machined to ensure a perfect fit and optimal compression. The grooves are designed to accommodate various ring sizes, allowing the user to select the appropriate rings for their specific engine application.

The piston kit comes complete with all necessary hardware, including piston clips, piston pins, and rings grooves. This comprehensive package ensures a hassle-free installation process, making it an excellent choice for DIY enthusiasts and professional mechanics alike.

In summary, the Namura Na-40011-2 Piston Kit is a high-performance, durable solution for small engine users seeking to maximize power output and improve engine efficiency. With its high-quality materials, precise engineering, and comprehensive hardware package, this piston kit is an essential upgrade for any small engine application.

The Namura NA-40011-2 piston kit is a popular aftermarket option for those looking to upgrade the performance of their Subaru engine. Here are some pros and cons to consider before making a purchase:

Pros:

1. Enhanced Power: The pistons in this kit are designed to provide increased power and torque, making your Subaru engine more responsive and efficient.

2. Durability: The pistons are made of high-quality materials, including forged connecting rods and piston pins, which can withstand the high temperatures and pressures of modified engines.

3. Customizability: This kit offers various options for piston size, compression ratio, and other performance upgrades, allowing you to tailor the kit to your specific engine and driving style.

4. Affordability: Compared to other aftermarket piston kits, the NA-40011-2 is relatively affordable, making it a cost-effective option for Subaru enthusiasts.

Cons:

1. Installation Complexity: Installing this piston kit requires a significant amount of time, expertise, and resources. It's recommended that you have the kit installed by a professional mechanic to ensure proper installation and avoid potential damage.

2. Potential for Engine Damage: Upgrading your engine with aftermarket parts, including pistons, carries some risk of engine damage if not installed correctly or if the parts are of poor quality.

3. Compatibility: This kit may not be compatible with all Subaru models or engine configurations, so it's essential to verify that it's the right fit for your vehicle before purchasing.

Conclusion:

The Namura NA-40011-2 piston kit offers numerous benefits for Subaru enthusiasts looking to enhance their engine's performance, including increased power, durability, and customizability. However, it also comes with some potential drawbacks, including installation complexity, engine damage risk, and compatibility concerns. Ultimately, whether or not this kit is right for you depends on your specific needs, resources, and expertise. If you're confident in your mechanical abilities and understand the risks involved, the NA-40011-2 piston kit could be an excellent investment in your Subaru's performance. If not, it may be worth considering other, less complex modifications or seeking professional advice.

Details:

Product Title: NAMURA - NA-40011-2 PISTON KIT. NAMURA - NA-40011-2 PISTON KIT. MPN: NA-40011-2.

Will not accept OEM rings and will work on piston. Brand: NAMURA.

part #: na400112 prices

  • $82.10-$96.15

specifications pistondon:

  • brand: Namura
  • mpn: Na-40011-2
  • part type: Piston
  • upc: 758891086244

shipping pistondon:

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

payments pistondon:

  • wallet: Paypal
  • credit card: Mastercard
  • other

seller pistondon:

  • rating: 99.0%
  • city: Clermont, Florida
  • # reviews: 4433

offer pistondon:

  • options: Ship-to-home
  • availability: In Stock
  • quantity: 1
  • started: May 29, 2026
  • sold: 0

general pistondon:

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

returns pistondon:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Seller
part type: piston,
category: motorcycle parts > motorcycle scooter parts accessories > engines engine parts > pistons, rings piston kits, sku: 12682656798853731,

Namura NA-40011-2 Is Similar To:

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5 offers $82.10–$96.15 USD
  • Offer #1: $96.15 price + $0.00 shipping estimate = $96.15* total. Benefits include increased heat transfer, reduced friction, and helping to eliminate cold seizures. Namura Technologies - - Piston Kit, 0.50mm Oversize to 84.95mm.FREE SHIPPING
  • Offer #2: $88.85 price + $0.00 shipping estimate = $88.85* total. Machined Smooth Heads - Reflects combustion heat and reduces carbon buildup, protecting the top of the piston.FREE SHIPPING
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  • Offer #5: $105.69 price + $0.00 shipping estimate = $105.69* total. The compatibility section is not always 100% accurate. UPC Code.FREE SHIPPING

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