Pocket valves, F, J, JD '23-'29. Singles, D, DL, R, RL '30-'34. Servi-car '47-'63. Knucklehead, U, UL, ULH, EL, FL, FLH, Panhead '36-'64. Sportster, KH, XL, XLH '54-'64. K-model '52-'53. XA 1942.
Pocket valves, F, J, JD '23-'29. Singles, D, DL, R, RL '30-'34. Servi-car '47-'63. Knucklehead, U, UL, ULH, EL, FL, FLH, Panhead '36-'64. Sportster, KH, XL, XLH '54-'64. K-model '52-'53. XA 1942.