Namura Top End Kit Oem Style 66.42/+0.50 6.6:1 Yamaha

In stock
Only 4 left
SKU
186-40032
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Top End Kit 53.94/std 11:1 Hon.


  • 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
  • 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
  • Anodized Domes - Increases heat resistance and durability; pistons with anodized domes are 75% stronger than non-anodized pistons
  • 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%
  • Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit
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