Namura Oversized Piston Kit for 1988-06 Yamaha YFS200 Blaster - 66.42mm - NA-40003-2 2008 Polaris Sportsman Touring 800 1993 Yamaha Big Bear 350

1993 Yamaha Big Bear 350

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2009 Polaris Sportsman 800 HO EFI

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Namura Oversized Piston Kit for 1988-06 Yamaha YFS200 Blaster - 66.42mm - NA-40003-2 2008 Polaris Sportsman Touring 800 1993 Yamaha Big Bear 350Namura 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