Spring stainless steel membrane made in Germany, all sealing rings made of expensive FPM/FKM: Other sealing sets often contain sealing rings made of NBR or even silicone. These become leaky after a short time due to the high aromatic content in modern premium fuels. In addition to the stainless steel membrane and Allen sealing rings and copper sealing rings, the following parts are also included: Copper sealing rings (Made in Germany) for mounting the injection lines, adjusting washers for the various system pressure regulator types, housing screws, mounting screws for mounting on the air flow meter, a dismantling screw for removing the plug-in gasoline filters in the injection ports, two dismantling screws for opening the housing halves and citric acid granules for cleaning all strainer .
