The vacuum advance diaphragm on my 1959 430 with original distributor is shot. The actuating arm on the one that came out of my car is straight while the arms on all the replacement units that I can find are curved. For instance, Rock auto has AIRTEX Part # 4V1110 for to 7.0L engine, but the arm is curved. Will this one work on the orignal distributor? If not, can someone direct me to a source for the right vacuum advance unit.
Thanks, Vern
Thanks, Vern
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