I was sifting through various würth catalogs trying to find information about the so called autofoam. Appearantly würth does not make any product called autofoam. They do have a two component pu foam in their US...
GENUINE NISMO 320 KM CLUSTER,EXCELLENT GOING CONDTION,FITS ANY R33,SPEEDEO READS 132,000 IN PHOTO BUT SINCE PHOTO WAS TAKEN I HAD IT CALIBRATED TO 104,000 KMS TO SUIT MY CAR,WICKED SPEEDEO.