The German word describes a "Brace". A reinforcement strut for the 914-6 GT Rear Suspension. With wider tires came fender flares and at the time, it was felt necessary that this area of the rear suspension needed some help to maintain proper alignment under the stress of racing conditions. If you can read German, please read this https://pbase.com/9146gt/image/166884192 and then you can tell us all about it. Friedrich, would you like to translate? :-)