NAMURA NA-50000-4R Piston Ring M-001

( Brand: Namura ), ( Manufacturer Part Number: NA-50000-4R ), ( Part Type: Ring Piston ), ( Vendor: Lionparts Powersports ), ( Image Note: Image Is For Reference Only, Actual Product May Vary Slightly. ), ( Ships From: Usa ), ( Handling Time: Approximately 1 Business Day )

Review NAMURA Piston Ring For Polaris Bore fits TRAIL BOSS 250 1985–1999

Introducing the Namura NA-50000-4R M-001 piston ring, an essential component for maintaining the optimal performance of your Polaris 250 Trail Boss engine from 1985 to 1999. This piston ring is meticulously engineered to ensure a perfect seal between the piston and the cylinder wall, preventing the loss of compression and cooling system leakage.

The NA-50000-4R M-001 piston ring is a compression ring, designed to create a tight seal at the top of the piston stroke, maximizing the combustion pressure and, consequently, the engine's overall power output. Its unique design features a 4-ring configuration, which includes an oil control ring, to manage the engine oil flow, and a grooved compressor ring, allowing for even compression across the piston's surface.

Constructed from a high-quality, durable material, this piston ring offers superior wear resistance and can withstand the rigors of off-road riding. The ring's precision machining ensures a snug fit in the cylinder bore, minimizing the risk of blow-by and reducing the amount of engine oil consumed.

Installing the NA-50000-4R M-001 piston ring is a straightforward process, requiring only standard engine rebuilding tools. Its step-graduate design enables a simple and secure installation, while the included installation instructions guarantee a hassle-free experience.

By choosing the Namura NA-50000-4R M-001 piston ring, you're making an investment in your Polaris 250 Trail Boss's longevity and performance. It's the perfect solution for those seeking to improve their engine's efficiency and reliability, ensuring a more enjoyable riding experience.

Pros and Cons of Buying a Namura NA-50000-4R M-001 Piston Ring for Polaris 250 Trail Boss (1985-1999)

* **Compatibility:** The Namura NA-50000-4R M-001 piston ring is specifically designed for the Polaris 250 Trail Boss models produced between 1985 and 1999. This ensures a perfect fit and optimal engine performance.

* **Quality:** Namura is a well-known manufacturer of high-quality piston rings. This particular ring is made of top-grade materials, ensuring durability and resistance to wear and tear.

* **Performance:** By using a new piston ring, you can improve the sealing of the engine, which leads to increased compression, improved fuel efficiency, and better overall engine performance.

* **Cost:** Compared to some aftermarket or OEM options, the Namura piston ring may be more expensive. However, the price difference is often offset by the improved performance and longevity.

* **Labor Costs:** Installing a new piston ring requires disassembling the engine. If you're not comfortable doing this yourself, you'll need to pay for labor costs at a repair shop.

The Namura NA-50000-4R M-001 piston ring is a sound investment for owners of Polaris 250 Trail Boss models from 1985 to 1999. While it may come with a higher upfront cost, the benefits of improved engine performance, durability, and compatibility far outweigh the potential drawbacks.

If you're looking to enhance the performance and longevity of your Polaris 250 Trail Boss, consider investing in a new Namura NA-50000-4R M-001 piston ring. While the upfront cost may be higher, the long-term benefits to your engine are well worth it. If you're not comfortable installing the ring yourself, consider seeking professional help from a trusted mechanic.

Details:

To ensure you're receiving exactly what you want, some orders are sourced from various shipping facilities. Oil rings: consist of three separate components. Namura understands that the rings are an essential part of piston performance, engine efficiency, and durability. The materials used in the manufacturing of piston rings are one most critical factors their performance.

The type of cylinder sleeve, sleeve coating, size the engine, and stroke 2 or 4 all play a role in determining composition best suited for operating environment. Two scraper rails constructed from highly ductile cast iron or a stainless steel alloy and also have chrome, nitrite, phosphate coating. Often overlooked and un glamorous, they are an essential part of piston performance, engine efficiency, durability. The single expansion ring is manufactured from stainless steel.

Bore Size: 72.96mm, Size Over Standard: 1mm. Free Ground Shipping. Note: Image is for reference only, actual product may vary slightly depending on your vehicle. Namura rings are designed specifically for their application.

Chrome, phosphate and nitrite coatings are also used to meet the demands of application.: Namura Piston Ring For POLARIS 250 TRAIL BOSS 1985 1999 1 Bore: Bore. Brand: Namura, Part Number: NA-50000-4R.

part #: na500004r prices

• $16.95-$95.14

specifications pistondon:

• for models: 250, Trail, Boss
• for makes: Polaris
• for years: 1985-1999
• brand: Namura
• mpn: Na-50000-4r
• part type: Ring Piston
• vendor: Lionparts Powersports
• image note: Image Is For Reference Only, Actual Product May Vary Slightly.
• ships from: Usa
• handling time: Approximately 1 Business Day

general pistondon:

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

shipping pistondon:

• class: Standard
• transit: 3-7 Days
• type: Fixed
• service: FedEx Ground or FedEx Home Delivery
• cost: $0.00
• carrier: FedEx

payments pistondon:

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

seller pistondon:

• rating: 99.2%
• # reviews: 219860
• city: Wilmington,

offer pistondon:

• options: Ship-to-home
• availability: In Stock
• quantity: 3
• started: June 24, 2025
• sold: 0

returns pistondon:

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

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