This distributor is centrifugal force-regular and possesses no vacuum timing control. They should the connection original of the distributor at the carburetor lock, so that the carburetor does not pull wrong air. The distributor has a firm switching position up to 22 degrees. Effected via it that the ignition of the 3rd cylinder 3 degree later, is loaded less this and the Temparatur is lowered. To use one can turn this distributor for engines to 6000 rpm.