1998-2004 Honda TRX450 Foreman Namura Top End Piston Gasket Kit .040 OS Bore

NAMURA TOP END REPAIR KIT .040 - SKU: 10000K4

Top End kit includes: piston, rings, wrist pin, clips, top end bearing, and gasket kit.

Features:

• .040 Oversize Bore (mm): 90.960mm
• 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 
• Note:  Photo for reference only - you will receive parts for models listed

Fits:
1998-2004 Honda TRX450FE Fourtrax Foreman ES
1998-2004 Honda TRX450FM Fourtrax Foreman S