Oil Exced RSK Blue Print is a 100% synthetic oil specially designed for 2 running motors. It is ideal for engines using gas mixtures with or without lead. Initially developed for KF engines, this oil adapts perfectly to all strokes, whether air cooled or liquid, offering maximum performance with the lowest possible lubricant percentages. Totally synthetic lubricant for two-weather tread motors, specific to the kart. RSK Blue Print is a revolutionary lubricant formulated with a new generation of polymeric esters, being the result of the most advanced research on the study of the synthetic basis applied to lubrication and a great experience gained from the field of the field of race.