ALLEN WRENCH, FOR 7/16 BRAKE DRUM BOLTS

Used to fasten the 3/8-20 threaded allenhead style brake drum mounting bolts (MCS 515410 / 43530-35A), as used on 41-72 Big Twin models. Also fits 508829 brake drum mount bolt set with 7/16-20 oversize threads.

Fits: > 41-72 B.T. (excl. 71-72 FX)