Progressive 13-1240B Magnum O/R Shok 15in

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: 1976 Yamaha TT500 Base 1976 Yamaha XT500 Base 1977 Bultaco Pursang 250 Base 1977 Bultaco Pursang 370 Base 1977 Can-Am 175 MX-3 Base 1977 Husqvarna CR250 Base 1977 Husqvarna CR390 Base 1977 Husqvarna WR250 Base 1977 Suzuki Pe250 Base 1977 Suzuki RM125 Base 1977 Suzuki RM370 Base 1977 Yamaha TT500 Base 1977 Yamaha XT500 Base 1978 Bultaco Frontera 250 Base 1978 Bultaco Frontera 370 Base 1978 Bultaco Pursang 250 Base 1978 Bultaco Pursang 370 Base 1978 Husqvarna CR125 Base 1978 Husqvarna CR250 Base 1978 Husqvarna CR390 Base 1978 Husqvarna WR250 Base 1978 Maico 400 Enduro Base 1978 Maico 450 Enduro Base 1978 Suzuki DR370 Base 1978 Suzuki Pe175 Base 1978 Suzuki Pe250 Base 1978 Suzuki RM125 Base 1978 Yamaha TT500 Base 1978 Yamaha XT500 Base 1979 Bultaco Frontera 250 Base 1979 Bultaco Frontera 370 Base 1979 Bultaco Pursang 250 Base 1979 Bultaco Pursang 370 Base 1979 Husqvarna CR125 Base 1979 Husqvarna WR250 Base 1979 Husqvarna WR390 Base 1979 Maico 400 Enduro Base 1979 Maico 450 Enduro Base 1979 Suzuki DR370 Base 1979 Suzuki Pe175 Base 1979 Suzuki Pe250 Base 1979 Yamaha TT500 Base 1979 Yamaha XT500 Base 1980 Husqvarna CR125 Base 1980 Husqvarna WR250 Base 1980 Husqvarna WR390 Base 1980 Yamaha TT500 Base 1980 Yamaha XT500 Base 1981 Yamaha TT500 Base 1981 Yamaha XT500 Base 1982 Suzuki Sp500 Base 1984 Honda CB700SC Nighthawk S Base 1985 Honda CB700SC Nighthawk S Base 1986 Honda CB700SC Nighthawk S Base