WSM Piston Kit - Yamaha 700 - +1 mm 50-546-07K Bettering T-Shirt Nucleon PU foam on the

Nucleon PU foam on the central spine area for additional impact absorption performance

Pre-contoured leg construction with knee stretch panels inserts for optimum riding comfort

Decreases power losses and protects against corrosion

Machined self-cleaning mud grooves at each tooth to help increase wear resistance

WSM Piston Kit - Yamaha 700 - +1 mm 50-546-07K Bettering T-Shirt Nucleon PU foam on theQuality 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