This engine case slider is suitable for the BMW S1000RR, BMW HP4 and S1000R '14-'20 models and fits neatly and easily to the existing engine case without the need to drain fuilds and will provide additional protection in the event of a drop. Fits left hand side only (attaching to the bottom of the generator cover). R&G Racing engine case sliders compliment the R&G Racing crash protectors and the additional range of products that we offer for these bikes.