WSM Piston Assembly - Yamaha - Standard 010-872K Replacement Boot Soles — Tech 7 oversized K&N high flow air

oversized K&N high flow air filter equals longer life

The LeoVince Underbody is designed to emphasize the structure of the motorbike

Synthetic blend has excellent high temperature resistance

New coil spring pressure plate offers added tunability to add additional spring pressure over stock

WSM Piston Assembly - Yamaha - Standard 010-872K Replacement Boot Soles — Tech 7 oversized K&N high flow airQuality 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