WSM Piston Kit - Yamaha 660 - +1 mm 50-544-07K SMX-E Gloves bright and lightweight LED light

bright and lightweight LED light increases rear visibility Easy to install

Fitment: Yamaha R3 2015-2017 (or any application needed a 41mm collar)

SAS-TEC Internal protection

HD heat transfer woven logo patch

3D mesh lining for excellent breathability with anti-slip micro-suede on heel

WSM Piston Kit - Yamaha 660 - +1 mm 50-544-07K SMX-E Gloves bright and lightweight LED lightQuality 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