I have a K motor that has the following, Front of block is 4G7N,
above clutch linkage is 6377, heads are both 20 have not looked at date code yet. carb is C3OF AJ, intake C5OE 9425 A partial on right of block
above pan xxx07K204964 x spaces are unreadable, very light stamping.
Do not know anything of its history.