49-65 Panhead, 66-84 FL Shovel, 84-07 Softail, (except 88-03 FXSTS, 95-97 FXSTSB, 97-03 FLSTS, 01-03 FLSTSI, 01-02, 04-06 FXSTSI, 05-06 FLSTSCI, 07 FLSTSC, 07 FXSTSSE), 80-84 FXWG, 93-03, 07 FXDWG, 02 FXDWGSE3, 04-06 FXDWGI
The most frequently lost or damaged part on front forks of most 49-14 Big Twins.