WSM Piston Kit - Kawasaki 300 - +1 mm 50-255-07K SM5 Helmet Top Center Vent this is the exact system

this is the exact system used by CJ Greaves to win the Torc series final in a clean sweep along with the Graves Spec Tune using FTEcu software (available separately)

stainless steel screws and choice of anodized spring cups

Stock DB at Idle 77db

quality plastic components with a perfect OEM fit

WSM Piston Kit - Kawasaki 300 - +1 mm 50-255-07K SM5 Helmet Top Center Vent this is the exact systemQuality 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