Conversion kit updates 1973-1982 FX, FL models from a 10" disc to an 11-1/2" disc.
Kit includes a 11.5" stainless steel drilled rear disc, chrome caliper bracket, and black painted caliper with brake pads, screw set, and caliper clevis pin. By converting to this style caliper, rattle and chatter will be emlininated and a much greater stopping power will be achieved. Use with 5/8" bore master cylinder.
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FITS 
FL 1973-1982
FX 1973-1982