WSM Piston Kit - Yamaha 660 - +1 mm 50-544-07K Pre-Cut Graphic Number Plate Kit Structured crown trucker hat Foam

Structured crown trucker hat Foam front

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

plus mesh lining interior to aid breathability Water-resistant zipper on front opening to prevent water ingress

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 Structured crown trucker hat FoamQuality 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