The Plastic Fusion Throttle Tube is a direct O.E. replacement that fits majority of all larger MX Race Bikes. Constructed of are proprietary Plastic Compound combined with a Nylon Snap Cam, the Fusion Throttle Tube system combines the V2 Snap Cams for a universal application in each package. Simply select the Snap Cam required for your make and model and snap into position on the throttle tube and you are ready to install and feel the benefits of a fresh throttle in minutes. Kit includes the following cams: B, C, D, J, K and M. Note: Throttle tube color may either be black or white, it is random.