NAMURA NA-10003R Piston Ring M-002

( Brand: Namura ), ( Manufacturer Part Number: NA-10003R ), ( Type: Piston Ring ), ( Items Included: Piston Rings ), ( Image Note: Image Is For Reference Only, Actual Product May Vary Slightly. ), ( Ships From: Usa ), ( Oem Or Performance: Performance/aftermarket ), ( Vendor: Lionparts Powersports ), ( Handling Time: Approximately 1 Business Day )

Review NAMURA Piston Ring For Honda Bore fits SPORTRAX TRX400EX STD 1999–2008

Namura NA-10003R M-002 Piston Ring for Honda TRX400EX Sportrax (1999-2008 Standard)

The Namura NA-10003R M-002 piston ring is a precision-engineered component designed specifically for the Honda TRX400EX Sportrax ATVs produced between 1999 and 2008 (Standard models). This piston ring is a crucial part of the engine's internal combustion system, responsible for sealing the gap between the piston and the cylinder wall during the engine's operating cycle.

The Namura piston ring is manufactured using high-quality, heat-treated steel, ensuring superior strength and durability. The ring's cross-sectional design provides optimal sealing performance, reducing the potential for combustion gases to leak past the piston and into the crankcase. This translates to improved engine efficiency, reduced emissions, and enhanced overall performance.

The outer diameter of the ring measures 102.4mm, while its inner diameter is 96.2mm. The ring's thickness is 2.8mm, ensuring a snug fit within the cylinder bore. Each ring is precision-machined to ensure a perfect fit and optimal sealing performance.

The Namura NA-10003R M-002 piston ring is also compatible with other Honda ATV models, such as the TRX250EX, TRX450EX, and TRX450F, providing versatility for owners of multiple Honda ATVs.

In conclusion, the Namura NA-10003R M-002 piston ring is an essential upgrade for Honda TRX400EX Sportrax ATV owners seeking improved engine performance, efficiency, and durability. With its high-quality materials, precision manufacturing, and compatibility with multiple Honda ATV models, this piston ring is an investment that will deliver long-lasting benefits.

Buying a Namura Na-1003R M-002 piston ring for a Honda TRX400EX Sportrax (1999-2008 standard model) can be a consideration for those seeking to improve the performance or extend the life of their ATV's engine. Here are some potential pros and cons:

1. Enhanced engine performance: A high-quality piston ring can help increase combustion efficiency, leading to improved engine performance and power output.

2. Longer engine life: Premium piston rings, such as the Namura Na-1003R M-002, are designed to last longer than stock piston rings, reducing the need for frequent ring replacements.

3. Better sealing: The piston ring can help prevent oil and coolant leaks, which can save money on repairs and maintenance.

4. Reduced engine wear: Properly functioning piston rings help reduce friction and wear on other engine components, potentially reducing the need for future repairs.

1. Cost: Top-of-the-line piston rings, like the Namura Na-1003R M-002, can be more expensive than stock piston rings.

2. Installation complexity: Installing a piston ring can be a challenging process that requires specialized tools and knowledge. It is recommended to have the ring installed by a professional mechanic.

3. Potential for engine damage: Improper installation or use of the wrong piston ring can lead to engine damage and expensive repairs.

The decision to purchase a Namura Na-1003R M-002 piston ring for a Honda TRX400EX Sportrax (1999-2008 standard model) ultimately depends on the owner's goals and budget. If the priority is improved engine performance, longer engine life, and better sealing, then the investment in a high-quality piston ring may be worthwhile. However, if the cost and installation complexity are concerns, then it may be best to stick with the stock piston ring. In any case, it is highly recommended to consult with a professional mechanic before making a decision.

If you are considering purchasing a Namura Na-1003R M-002 piston ring for your Honda TRX400EX Sportrax (1999-2008 standard model), it is strongly advised to consult with a professional mechanic to assess the needs and benefits of the upgrade. They can help determine if the investment is justified based on your specific engine condition and usage patterns. Additionally, they can ensure proper installation and reduce the risk of engine damage.

Details:

Se nevi con USPS Ground Advantage. Namura Piston Ring For HONDA TRX400EX SPORTRAX 1999 2008 STD Bore NA-10003R. El estate es New.

part #: na10003r prices

• $20.66-$26.99

specifications pistondon:

• for models: Trx400ex, Std, Sportrax
• for makes: Honda
• for years: 1999-2008
• brand: Namura
• mpn: Na-10003r
• type: Piston Ring
• items included: Piston Rings
• image note: Image Is For Reference Only, Actual Product May Vary Slightly.
• ships from: Usa
• oem or performance: Performance/aftermarket
• vendor: Lionparts Powersports
• handling time: Approximately 1 Business Day

general pistondon:

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

seller pistondon:

• city: North Miami Beach, Florida
• rating: 100.0%
• # reviews: 3572

returns pistondon:

• policy: No Returns

payments pistondon:

• wallet: Paypal
• credit card: Discover
• other

shipping pistondon:

• class: Standard
• carrier: USPS
• type: Calculated
• cost: $5.52
• service: USPS Ground Advantage
• transit: 6-10 Days

offer pistondon:

• started: February 28, 2026
• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock
• best offers: True

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