Compatibility KDX175-A1 KDX175 1980 USA CANADAKDX175-A2 KDX175 1981 USA CANADAKDX175-A3 KDX175 1982 USA CANADAKDX250-A1 KDX250 1980 USA CALIFORNIAKDX250-B1 KDX250 1981 USA CALIFORNIA CANADAKDX250-B2 KDX250 1982 USA CALIFORNIA CANADAKDX400-A1 KDX400 1979 USA CANADAKDX400-A2 KDX400 1980 USA CANADAKDX420-B1 KDX420 1981 UNITED KINGDOM USA CALIFORNIA EXPORTKDX450-A1 KDX450 1982 UNITED KINGDOM USA CALIFORNIA EXPORT