Pocket valves. J, JD, Singles, D, DL, R, RL, VL, VLH, UL, ULH, WL, WLA, WLC, WLD, Servi-car '26-'73. Knucklehead, Panhead, EL, 41TA, ELC, FL, FLH '52-'65. Sportster, KH, XL '54-'57. S, 125 '48-'52. ST "165" '53-'59. XA 1942.
Pocket valves. J, JD, Singles, D, DL, R, RL, VL, VLH, UL, ULH, WL, WLA, WLC, WLD, Servi-car '26-'73. Knucklehead, Panhead, EL, 41TA, ELC, FL, FLH '52-'65. Sportster, KH, XL '54-'57. S, 125 '48-'52. ST "165" '53-'59. XA 1942.