WSM Piston Assembly - Yamaha - +.5 mm 010-872-05K Factory Classic Don T-Shirt are pretty sophisticated machines

are pretty sophisticated machines

For use with FMF Powerbomb

Hardware included

When using any Graves performance system on the 15-19 R1 Flash Tune products are recommended to enhance the bikes performance everywhere

and Veloce S helmets Includes screws

WSM Piston Assembly - Yamaha - +.5 mm 010-872-05K Factory Classic Don T-Shirt are pretty sophisticated machinesQuality and construction that meets or exceeds OEM Feature improved E clip design Contain piston, rings, pin and clips Additional rings available separately Order one per cylinder Skirts have a nonabrasive, expansion retarding MOS2 coating to reduce heat and friction for added power and longevity MOS2 coating actually draws heat through piston walls and out the bottom Specially hardened tops add strength to ring grooves