Seller notes

Vertex Top End Piston Kit 99.95mm 9.1:1 Yamaha YFM 660 R Raptor 2001-2005 Product Details All pistons are heat-treated with a T-5 hardening and tempering cycleAll piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston lifeKits include piston, rings, wrist pin, circlips, gaskets and cam chain, where applicable Product DescriptionTop End Piston KitCompression Ratio9.1:1Displacement660ccPiston Diameter99.95mmPiston TypeCast Product Fitm...

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