Namura Oversized Piston Kit for 1987-06 Yamaha YFZ350 Banshee - 64.75mm - NA-40000-3 2005 Honda TRX300 Sportrax 2008 Yamaha YFM450 Wolverine 450

2008 Yamaha YFM450 Wolverine 450 4x4 Sport SE/Auto

2009 Yamaha YFZ 450R 4x2

Wiseco ring types are not interchangeable (i

1995 Ski-Doo Formula Mach Z

1999 KTM 65 SX

Namura Oversized Piston Kit for 1987-06 Yamaha YFZ350 Banshee - 64.75mm - NA-40000-3 2005 Honda TRX300 Sportrax 2008 Yamaha YFM450 Wolverine 450Namura 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