Namura Piston, Bearing & Gasket Kit Polaris 400 2-Stroke ATVs Standard Bore 83mm
Namura Piston, Bearing & Gasket Kit Polaris 400 2-Stroke ATVs Standard Bore 83mm

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- 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
Brand: NAMURA
Part Number: NA-50002K
This Part Fits:
Ride Type
Year
Make
Model
Submodel
ATV
1995 - 2002
Polaris
Scrambler 400
2x4
ATV
1994 - 2003
Polaris
Trail Blazer 400