WSM Piston Kit - Yamaha - +.50 mm 50-530-05PK Ageless Shoes Reverse coil 1/4 zipper front

Reverse coil 1/4 zipper front

easy-to-use design for kids ages 8-14 Ergonomic design and engineered shape for ideal fitment with Alpinestars A-5 S

Glasses Compatible — Removable foam in the top of the earcup allows the arms of glasses to easily slide into the helmet

Stock silencer Weight 7

-approved spark arrestor TIG precision welding Made in the U

WSM Piston Kit - Yamaha - +.50 mm 50-530-05PK Ageless Shoes Reverse coil 1/4 zipper frontQuality 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