Included in this set are:

1x FUA01150 Injector adapter
1x FUA72335 new fuel injector

Use the significantly better atomising EV14 injector of the R1200 models on the earlier R850, R1100S, R1150, and R1200C models. Made from aluminium and then anodised. 

The benefits include a smoother running engine plus a less expensive fuel injector replacement option.