Pocket valves, J, JD late'29. Singles '30-'34. VL, VLH '32-'36. DL, RL, WL, WLA, WLC, WLD '30-'52. Servi-car '32-'72, cylinder base nut; leaf spring 34-73. Knucklehead, EL 1936. KH '54-'56. K-model '52-'53. S, 125 '48-'51. Hummer '55-'59.
Pocket valves, J, JD late'29. Singles '30-'34. VL, VLH '32-'36. DL, RL, WL, WLA, WLC, WLD '30-'52. Servi-car '32-'72, cylinder base nut; leaf spring 34-73. Knucklehead, EL 1936. KH '54-'56. K-model '52-'53. S, 125 '48-'51. Hummer '55-'59.