Timer gauge

Timer gauge, aligns the commutator rod to the timer, These only fit over hex bolt with a 5/8" wide hex. They will be loose on a 9/16" hex bolt. Langs Tech Tip! Proper way to insure correct timing and prevent broken arms when cranking your T. Large hole mounts over timer retaining bolt, the small hole goes over the end of the rod that goes to the timer. Puts the timer in the correct position in relation to the commuter (spark) rod when the spark control lever under the steering is all the way up in the retarded position. If the holes will no go over these two points the you must bend the rod until it does.