SKU:180592
MOS2 (Teflon/Molybdenum) Coated Skirts - A rolled on application process provides a bond that is 10 times stronger than other spray on coatings. Benefits include increased heat transfer, reduced friction and helping to eliminate cold seizures
Machined Smooth Heads - Reflects combustion heat and reduces carbon buildup, protecting the top of the 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 pistons
Hypereutectic Casting Process - Provides higher silicon content for reduced expansion rates and additional wear resistance; it also has an ability to withstand higher cylinder temperatures
The NAMURA NA-40011 OEM-style standard piston kit is designed for engine rebuilds and replacement applications requiring a standard-size piston assembly. Built to support dependable fit and function, this kit provides a practical solution for replacing a worn or damaged piston while helping restore proper engine performance. Verify the application, engine model, and service specifications before installation to ensure compatibility.
The piston kit is supplied as a complete kit and is identified as a standard-size, or STD, configuration. Its OEM-style design is intended to match the general specifications and installation requirements of the original equipment component. This makes it suitable for professional technicians, powersports repair shops, and experienced do-it-yourself mechanics performing routine maintenance or a more extensive engine rebuild.
For best results, inspect the cylinder, connecting rod, wrist pin bore, rings, and related components before assembly. Follow the engine manufacturer’s service instructions for clearance measurements, ring installation, lubrication, torque specifications, and break-in procedures. Proper preparation and installation are essential for achieving reliable operation and extending the service life of the replacement components. The NAMURA NA-40011 is sold as a kit and offers a straightforward replacement option when a standard piston configuration is required.
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