AC Delco GM 1104060 Marine Distributor V8 EST Module Sierra 18-5484-1 350 454 Pulley - Crankshaft Mercury 35hp - 4cyl &

Mercury 35hp - 4cyl & 2cyl (1963-1969 & 1984-1989) KB-2A / KC-4A / KC-8A / KC-9A / KC-9B / KC-9C / KC-13A / AJ-54A

but they have an extra area of holes at the top of them where thru-bolted power steering units were able to go as well as  other than that they are the same in every dimension - Typically found on Early Bravo 1986-1991 & early Gen I)

1966 1967 1968 1969

7L 350 V8 / 888 / 898 / Ford 302 351/

IA / IB / IC - All Models (1964)

AC Delco GM 1104060 Marine Distributor V8 EST Module Sierra 18-5484-1 350 454 Pulley - Crankshaft Mercury 35hp - 4cyl &Part Number(s) Included Stamped 1104060 which is an AC Delco GM Part number J1171 (Marine Grade Rated) General Application Compatibility GM V8 305 350 454 502 using a common EST style ignition module I don't know a ton about this beyond what is stamped on it, but looks like a standard marine GM V8 distributor using the common EST Module and allegedly replaced the following: Crusader PCM Pleasurecraft Marine RA107039D Indmar 556024 OMC 3857400 Volvo