2015-2020 Polaris Sportsman 1000 Std Namura Piston & Ring Kit
Top quality Namura piston kit for your Sportsman or Scrambler 1000 Polaris. Features include machined smooth crowns, teflon/moly coated skirts, and a high silicon content. For use with all stock or modified motors. Standard 90.42 mm size.
Replaces Polaris part number 2205145. Includes piston, rings, pin, and circlips.
This piston kit fits the following machines:
2015-20 Sportsman 1000 (All Models)
Some additional features of Namura pistons include:
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%.
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.
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