NAMURA TECHNOLOGIES 9358-N411294-ATV Piston Kit 96.57MM

( Brand: Namura Technologies ), ( Part Type: Piston ), ( Manufacturer Part Number: 9358-N411294-ATV )

Review NAMURA TECHNOLOGIES Piston Kit std Bore 96.57mm Polaris fits SPORTSMAN STD EFI 550 2010–2011

Introducing the Namura 9358-N411294-ATV piston kit, specifically designed for the Polaris Sportsman 550 EFI models from 2010 to 2011. This high-performance piston kit is a must-have upgrade for ATV enthusiasts seeking improved power, efficiency, and durability from their vehicle.

The pistons in this kit are precision-engineered using top-quality forged aluminum alloy. Each piston undergoes a rigorous manufacturing process, ensuring a perfect fit and exceptional strength. The piston crown is designed with a dish shape, optimized for the 96.57mm bore size of the Polaris Sportsman 550 EFI engine. This dish shape enhances combustion efficiency, resulting in increased power output.

The piston rings, included in this kit, are made from high-temperature, low-friction material. They are designed to minimize piston-to-cylinder wall contact, reducing friction and heat build-up. This results in improved ring seal, better engine performance, and extended engine life.

The piston kit also features a lightweight design, reducing the weight of the moving parts in the engine. This leads to improved engine response and acceleration. Additionally, the piston kit is designed to work seamlessly with the OEM connecting rods, making installation easy and hassle-free.

Upgrading your Polaris Sportsman 550 EFI with the Namura 9358-N411294-ATV piston kit is an investment in the long-term performance and reliability of your ATV. The high-quality materials used in the manufacturing process, combined with the optimized design, result in a piston kit that delivers increased power, improved efficiency, and extended engine life.

In summary, the Namura 9358-N411294-ATV piston kit is an essential upgrade for Polaris Sportsman 550 EFI owners looking to enhance their vehicle's performance and durability. With its precision-engineered pistons, high-performance rings, and lightweight design, this piston kit is the perfect choice for any ATV enthusiast seeking to get the most out of their machine.

Pros and Cons of Buying Namura 9358-N411294-ATV Piston Kit for 2010-2011 Polaris Sportsman 550 EFI

a. Enhanced Performance: The Namura piston kit is designed to provide improved engine performance, including increased horsepower and torque.

b. OEM Quality: These pistons are manufactured to Original Equipment Manufacturer (OEM) specifications, ensuring a proper fit and reliable operation.

c. Durability: The pistons are engineered from high-quality materials that can withstand the rigors of off-road riding, extending the life of your engine.

d. Affordability: Compared to the cost of a new OEM piston kit or a rebuild, aftermarket piston kits like Namura's offer a more cost-effective solution for maintaining your ATV's engine.

a. Installation Complexity: Installing a piston kit can be a complex process, requiring specialized tools and a high level of mechanical skill. It is recommended to have the kit installed by a professional to ensure proper installation.

b. Potential for Damage: Improper installation or the use of incorrect parts could result in engine damage. It is crucial to follow the installation instructions carefully and use only the recommended components.

c. Cost of Installation: The cost of having a professional install the piston kit can add to the overall expense. Ensure that you factor in the cost of labor when considering the total investment.

While the Namura 9358-N411294-ATV Piston Kit for 2010-2011 Polaris Sportsman 550 EFI comes with its advantages and disadvantages, the benefits of improved performance, OEM quality, and durability often outweigh the challenges of installation complexity and potential costs. If you are comfortable with the installation process or plan to have it done by a professional, the piston kit can be a smart investment for maintaining the performance and longevity of your ATV's engine.

part # 9358n411294 prices

• $90.95-$140.73

specifications atvsienna:

• for models: Std, Efi, 550, Sportsman
• for makes: Polaris
• for years: 2010-2011
• brand: Namura Technologies
• part type: Piston
• manufacturer part number: 9358-N411294-ATV

shipping atvsienna:

• service: Standard
• type: Fixed
• transit: 5-11 Days
• cost: $0.00
• class: Standard

general atvsienna:

• condition: New
• ATV, Side-by-Side UTV Parts Accessories > Engines Engine Parts > Other Engine Parts

offer atvsienna:

• options: Ship-to-home
• started: June 13, 2025
• availability: In Stock
• sold: 0
• quantity: 9

payments atvsienna:

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

seller atvsienna:

• # reviews: 64008
• rating: 99.5%

returns atvsienna:

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

Namura Technologies 9358-N411294 Is Similar To:

• Yamaha 22k-11311-02 Genuine 1985-2008 Badger Moto-4 Raptor 80 Cylinder Jug Namura Piston Kit (17.3% similar) $32.89–$59.95. (October 21st, 2024)
• Namura Atpi-su591963-69 2003-2008 Suzuki Ltz400 Atv Piston Kit 11.3 1 Std Comp / 89.96mm (34.4% similar) $93.50–$107.61. (December 13th, 2024)
• Namura Technologies 9361-n411300-atv Piston Kit-std Bore 96.57mm For 2011-2014 Polaris Sportsman 550 Eps (91.3% similar) $84.76–$137.26. (December 15th, 2024)
• Namura Ra-40003 Connecting Rod For 2002-05 Yamaha Yfm660r Raptor (34.5% similar) $89.95–$137.65. (December 16th, 2024)
• Namura Atpi-po378843-32 2003-2013 Polaris Boss 330 Atv Piston Kit 79.45mm (33.9% similar) $82.40. (December 16th, 2024)
• Namura Na-50091 Big Bore Piston 92.95mm #na-50091 Polaris (41% similar) $65.00–$93.56. (December 18th, 2024)
• Namura Na-20062 Piston Wrist Pin Standard Bore Piston And Wrist Pin Fits Kawasaki Many Mules 76mm (34.8% similar) $57.56–$62.99. (December 19th, 2024)
• Namura Atpi-po384307-15 2001-2005 Polaris Sportsman 400 Atv Piston Ring Set 87.89mm (43.9% similar) $37.42. (December 19th, 2024)
• Namura Atpi-po596155-93 1993-2002 Polaris 400 Xplorer Atv Piston Ring Set 83.44mm (31.4% similar) $20.88. (December 19th, 2024)
• Namura Atpi-ho578307-62 1998-2004 Honda Trx450 Fe Foreman Atv Piston Kit 90.96mm (34.8% similar) $95.19. (December 19th, 2024)
• Namura Na-40001-4 .040 Over Bore Piston Kit For Yamaha 1987-2006 Banshee 350 Yfz350 65.00mm (37.9% similar) $79.71–$155.16. (December 20th, 2024)