WSM Piston Kit - Yamaha 350 - Standard 50-540K 4-Stroke Packing Features a large two-color Arai

Features a large two-color Arai logo

for lifting the entire motorcycle

1V Visual low-voltage warning

Graves System Standard Sound Insert: 78 db at Idle / 91

KTM 450 XCRW 08

WSM Piston Kit - Yamaha 350 - Standard 50-540K 4-Stroke Packing Features a large two-color AraiQuality 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