With a hydraulic remblokkeerschakelaar you a quick way to lock the brakes and lifting. Is placed between the master cylinder and the pipe leading to the rear wheels runs and works as follows: after the full-stroke actuations of the service brake push the lock switch, the brakes they are blocked by again depressing the brake pedal, the blockade again specify which is many times faster than the hand brake. If you have two switches on the lines of the front brakes can be a perfect " burnout "realize. The connections are not provided with metric thread as our full braking but NF (American National Fine) thread. We recommend you also to the nylon BRAKE PIPE kit there to take (see options) so you brake without problems the right way to connect. Use only DOT 5 brake fluid (silicone based), this fluid does not attack rubber parts and can also easily DOT 3 (prescribed by VW) replaced long as you do not mix. Note You can not use this switch in place of the brake!