Namura Piston Kit for 2004-07 Honda TRX400 FourTrax models - 84.97mm - NA-10040 1989 Yamaha YFM250 Moto-4 1999 Polaris Indy XC 500

1999 Polaris Indy XC 500

2010 Arctic Cat 450 H1 EFI

00mm Final Engine Displacement 249cc California Emissions FALSE Product Disclaimer You MUST measure the size of your cylinder BEFORE ORDERING

1997 Honda TRX90 Fourtrax 90

1981 Yamaha SR500

Namura Piston Kit for 2004-07 Honda TRX400 FourTrax models - 84.97mm - NA-10040 1989 Yamaha YFM250 Moto-4 1999 Polaris Indy XC 500Namura Technologies Piston Kit Namura gives you a higher performance piston without the higher price MOS2 Coated Skirts increase heat transfer and reduce friction to eliminate cold seizures. Higher silicon content reduces expansion rates and increaseswear resistance. Machined Smooth Heads Reflect combustion heat and reduces carbon buildup. Namura piston kits come with the piston, a set of OEM quality rings, a wrist pin, and circlips. Why replace your