1110993 3A2 date code. $75/offer 401-425 1110993 Premium Fuel A/T That distributor has the same advance curve as dual quad distributor. Great deal In '63 and prior years, all nailheads were timed at 12* (like the later 2x4 set ups) so the 11110993 is a distributor for those engines. The nailhead 2 four distributor was a 1110993 from 63-66.
