have a motor that is suppose to be a stock 350,that runs very well too well for a stock 350 it has 2.02 heads roller tip rockers,airgap intake,eldelbrock carb and big cam with 373 posi here are the numbers I found 3970010 (350 right) front pad V0401TKD now now heres the funny thing there is a second set C7U188981 is it reman numbers?
heres the head numbers 3927186 GM14
it also has an extra bellhousing bolt right behind the dist. The heads are the camel hump version
thanks for all your help
Bill

pad V0401TKD
V=Flint engine plant
04=Month produced - April
01=Day of the month - April fools day
TKD=GM VAN - 350-8 4BC 175H.P. from a 1/2 ton van, Chev or GMC

C7U188981 is the VIN code from the original vehicle
C=GM truck division
7=Model Year 1977
U=Truck assembly plant - Lordstown Ohio
188981-serial number