Progressive 12-1203Bg Shock-Ps30With shock and fork spring fitments all the way back to 1949, Progressive Suspension likely has the suspension setup you need for your restoration, AHRMA racer or vintage machine. The 12, 13 & 14 Series dampers are sold as damper sets and can be mated to a number of springs to properly tune for your application. This Part Fits: Year Make Model Submodel 1983 1984 BMW R100 Base 1974 1976 BMW R60 6 Base 1978 1984 BMW R80 7 Base 1984 1985 Honda VF500C V30