Retainer breaker cover WhPltd NOS 37-64

Stock replacement parts for the ignition system with manual advance as found on 1930-1964 Harley-Davidson sidevalve 45CI Solo & Servi-Car, 45 & 55 CI KH and 74 & 80CI Flatheads, as well as OHV 61CI Knucklehead and 74CI Panhead.