This engine case slider is suitable for the BMW S1000RR, S1000R, S1000XR and HP4 models fitting neatly and easily to the existing engine case without the need to drain and fuilds and will provide additional protection in the event of a drop. Fits right hand side only (attaching to the BMW RHS Pulse/Timing 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.