UL, EL, FL, FLH, Knucklehead, Panhead '41-'64. Sportster, KH, XL, XLH, XLCH '54-'64. Topper, A, AH, AU '61-'65 above engine nr. 61 AH 1900; and earlier models with late lockout kit installed. ST, B, BT, BTH '53-'64, Hummer, Super-10, Pacer, Scat.
UL, EL, FL, FLH, Knucklehead, Panhead '41-'64. Sportster, KH, XL, XLH, XLCH '54-'64. Topper, A, AH, AU '61-'65 above engine nr. 61 AH 1900; and earlier models with late lockout kit installed. ST, B, BT, BTH '53-'64, Hummer, Super-10, Pacer, Scat.