With 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.
Fitment:
BMW R100 Base 1983
BMW R100 Base 1984
BMW R60/6 Base 1974
BMW R60/6 Base 1975
BMW R60/6 Base 1976
BMW R80/7 Base 1978
BMW R80/7 Base 1979
BMW R80/7 Base 1980
BMW R80/7 Base 1981
BMW R80/7 Base 1982
BMW R80/7 Base 1983
BMW R80/7 Base 1984
Honda VF500C V30 Magna Base 1984
Honda VF500C V30 Magna Base 1985
Honda XL100 Base 1974
Honda XL100 Base 1975
Honda XL100 Base 1976
Honda XL125 Base 1974
Honda XL125 Base 1975
Honda XL125 Base 1976
Honda XL250 Base 1972
Honda XL250 Base 1973
Honda XL250 Base 1974
Honda XL250 Base 1975
Honda XL350 Base 1974
Honda XL350 Base 1975
Kawasaki KX250 Base 1975
Kawasaki KX250 Base 1976
Kawasaki KX400 Base 1975
Kawasaki KX400 Base 1976
Kawasaki ZL1000 Eliminator Base 1987
Kawasaki ZL600 Eliminator Base 1986
Kawasaki ZL600 Eliminator Base 1987
Kawasaki ZL900A Eliminator Base 1985
Kawasaki ZL900A Eliminator Base 1986
Kawasaki ZN1100B Ltd Base 1984
Kawasaki ZN1100B Ltd Base 1985
Suzuki GS650G Base 1981
Suzuki GS650G Base 1982
Suzuki GS650G Base 1983
Suzuki Sp370 Base 1978
Suzuki Sp370 Base 1979
Suzuki Sp400 Base 1980
Yamaha Dt400 Base 1975
Yamaha Dt400 Base 1976