Pocket valves, F, J, JD 11-early29. VL,UL,EL,ELC,FL,FLH,Knucklehead,Panhead,Shovelhead 31-68. DL,RL,WL,WLD,Servi-car. KR,KRTT,XLRTT '56-up. Sportster,XLH,XLCH 1959. Topper 60-65, sidecar/sidevan. Hummer 55-59.Super-10,Pacer,Scat 59-66. Singles A,B 26-34.