WSM Piston Kit - Yamaha 660 - +1 mm 50-544-07K Pre-Cut Graphic Number Plate Kit Furthers the weight savings after

Furthers the weight savings after EXUP removal and allows for a cleaner appearance

Linear logo at front

Combines the racing features of the GP CORSA line with a more modern and aggressive look

Precision CNC machined from 6061 T6 billet aluminum and black anodized then laser etched

MIPS® equipped for mitigation against the causes of brain injuries

WSM Piston Kit - Yamaha 660 - +1 mm 50-544-07K Pre-Cut Graphic Number Plate Kit Furthers the weight savings afterQuality 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