I-Dual circuit bomba de frenos enepiston engu-19.05mm ububanzi yenziwa ngensimbi ekhonjiwe.Ilingana ne-Porsche 911, 912 & 914. Kunezindawo zokuphuma ezimbili ezinobubanzi bentambo engu-10mm
930 1975 - 1977
911 1969 - 1977
912 1969 - 1969
914 1970 - 1972