Namura Piston Kit for Polaris 400 Models - 82.94mm - NA-50002 1980 Yamaha XS400S Special Fits: 1987-2006 Yamaha Banshee 350

Fits: 1987-2006 Yamaha Banshee 350

Part Number: 4574M07400

2019 Polaris Sportsman 450

2008 Ski-Doo GSX Sport (500SS)

your ATV could stand a heavier load capacity with the High Lifter Lift Springs and are just what the doctor ordered

Namura Piston Kit for Polaris 400 Models - 82.94mm - NA-50002 1980 Yamaha XS400S Special Fits: 1987-2006 Yamaha Banshee 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