With two applications this Shoe-brake (nas) is the most specified part.
Parts such as the Front Hub/brake ('74-'75): Ring-o,brake Cam, Collar-front Hub R.h, Pin-spring, Oil Seal-front Drum are included in the Kv100-a7 1976 Usa California Front Hub/brake ('74-'75) parts fiche.
The component with the lowest price in the FRONT HUB/BRAKE ('74-'75) schematic is the Washer-spring,10mm.
