Decifering Rally Wheel codes ?

[TOYVET]

Was wondering if someone could help decifer a code on a set of rally rims I have....AZ 14 k-1-1 1
All were found around the valve stem..Thanks in advance.
Greg

[Mr70]

1969-1975 Corvette Very common,I see those everywhere.
K=Kelsey Hayes Mfg.
1=Romulus Mi. plant
1=1971 assembled