NAMURA TECHNOLOGIES NA-40003 Piston Kit Standard Compressi 758891085964 65.92MM 6.6

( Brand: Namura Technologies ), ( Manufacturer Part Number: NA-40003 ), ( Type: Engine ), ( Country/region Of Manufacture: China ), ( Manufacturer Warranty: 1 Year Manufacturer Warranty ), ( California Prop 65 Warning: Cancer And Reproductive Harm Www.p65warnings.ca.gov ), ( Authorized Dealer: Yes ), ( Bore: 65.92mm ), ( Compatibility Disclaimer: Compatibility Chart Information Provided By ), ( Compression: 6.6 ), ( Height: 3.900 ), ( Legal Disclaimer: Your Local Laws Before Purchasing. ), ( Photo Disclaimer: For Reference Only, May Differ From Product, See Item Details. ), ( Sizing: Standard Bore ), ( Vehicletype: Atv ), ( UPC: 758891085964 )

Review NAMURA TECHNOLOGIES Piston Kit Standard Bore 65.92mm 6.6 Compressi

The Namura NA-40003 Piston Kit is a high-performance replacement solution for standard 65.92mm bore, 6.6 compression height pistons in various types of internal combustion engines. This piston kit is an ideal choice for engine builders, racers, and enthusiasts seeking improved engine performance and durability.

Each piston in this kit is meticulously crafted from forged aluminum alloy, ensuring superior strength and rigidity compared to cast pistons. With a compression height of 6.6 inches, these pistons cater to engines that require a specific piston height to optimize combustion efficiency and power output.

The piston crowns feature a dish design with a compression ratio of approximately 10.5:1, which is suitable for high-performance applications. This design helps increase the pressure difference between the combustion chamber and the crankcase, leading to better engine breathing and increased power.

The piston skirts are designed with an optimized shape and finish to minimize friction and wear against the cylinder walls. The piston rings included in the kit are made of high-quality materials that ensure a proper seal and efficient compression.

Additionally, the piston pins are made of high-strength steel and are precision machined to ensure a perfect fit and minimize friction. The piston pin bore is chrome-plated for added durability and resistance to wear.

The Namura NA-40003 Piston Kit comes with all necessary hardware, including piston clips, piston pin bushings, and piston pin retainers, making it a complete solution for piston replacement. Each piston is carefully inspected and balanced to ensure optimal engine performance and longevity.

In summary, the Namura NA-40003 Piston Kit is a high-quality, forged aluminum piston solution designed for standard 65.92mm bore, 6.6 compression height engines. It offers improved strength, durability, and performance, making it an excellent choice for engine builders, racers, and enthusiasts seeking to enhance their engine's capabilities.

The Namura NA-40003 piston kit is a standard replacement option for engines with a 65.92mm bore and 6.6 compression ratio. Here are some pros and cons to help you make an informed decision about purchasing this piston kit:

1. OEM Quality: The Namura piston kit is an original equipment manufacturer (OEM) replacement, meaning it is designed and manufactured to meet the same specifications as the original pistons in your engine.

2. Affordable: Compared to other aftermarket options, the Namura piston kit is often more affordable, making it a cost-effective choice for engine repairs.

3. High-Quality Material: The piston kit is made of forged aluminum alloy, which is known for its strength and durability.

4. Precision Machined: Each piston is precisely machined to ensure a perfect fit and optimal engine performance.

1. Limited Availability: The Namura piston kit may not be readily available at all auto parts stores, so you may need to order it online or through a specialty supplier.

2. Installation Requires Expertise: Installing pistons can be a complex and time-consuming process, so it is recommended that you have the kit installed by a professional mechanic to ensure proper installation and avoid any potential issues.

3. May Require Additional Parts: Depending on the condition of your engine, you may need to purchase additional parts, such as rings or bearings, along with the piston kit.

The Namura NA-40003 piston kit is a high-quality, affordable option for engines that require piston replacement. Its OEM design ensures optimal engine performance, and the use of forged aluminum alloy guarantees durability. However, the limited availability and installation complexity are potential drawbacks. Ultimately, if you need a piston kit and are comfortable with the installation process or have access to a professional mechanic, the Namura option is a solid choice.

Details:

Machined Smooth Heads - Reflects combustion heat and reduces carbon buildup, protecting the top of piston. Some tests have shown this feature can increase horsepower and fuel economy by up to 6%. Anodized Domes - Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized. Bore: 65.92mm, Compression: 6.6:1 Compression, Sizing: Standard Bore, MOS2 made with Teflon /Molybdenum Coated Skirts - A rolled on application process provides a fits Bond that is 10 times stronger than other spray coatings.

Vehicle Fitment: 1988 2006 fits YAM YFS200 Blaster Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures.

part #: na40003 prices

• $45.81-$59.32

specifications pistondon:

• brand: Namura Technologies
• mpn: Na-40003
• type: Engine
• country/region of manufacture: China
• manufacturer warranty: 1 Year Manufacturer Warranty
• california prop 65 warning: Cancer And Reproductive Harm Www.p65warnings.ca.gov
• authorized dealer: Yes
• bore: 65.92mm
• compatibility disclaimer: Compatibility Chart Information Provided By
• compression: 6.6
• height: 3.900
• legal disclaimer: Your Local Laws Before Purchasing.
• photo disclaimer: For Reference Only, May Differ From Product, See Item Details.
• sizing: Standard Bore
• vehicletype: Atv
• upc: 758891085964

seller pistondon:

• # reviews: 176560
• rating: 97.8%
• city: Cedar Park, Texas

payments pistondon:

• wallet: Paypal
• credit card: Mastercard
• other

returns pistondon:

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

offer pistondon:

• started: August 17, 2025
• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 9

shipping pistondon:

• type: Fixed
• service: Expedited, Standard
• cost: $0.00
• transit: 3-6 Days
• class: Expedited, Standard

general pistondon:

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

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