WSM Piston Kit - Yamaha 350 - Standard 50-540K 4-Stroke Packing Designed to improve performance and

Designed to improve performance and power where the Ti-5 showed weak points Constructed of titanium throughout the head pipe

Features a large two-color Arai logo

12" x 19" sheet

1V Visual low-voltage warning

All 54mm clip-ons come with black handlebar tubes

WSM Piston Kit - Yamaha 350 - Standard 50-540K 4-Stroke Packing Designed to improve performance andQuality 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