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I have aquired a set of SS style wheels that I want to know what kind car they came off. I found a 5 MJ 0 stamped near the valve stem. I beleive there are for a 1970 chevelle, or camaro. My Chevrolet by the numbers ony goes up to 1969. Can any one shed some light on what car these may be from?

TIA

Kermi
 

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Discussion Starter #2
ok I took a better lok at it, this is what I have

left of valve stem:

right next to the stem is a 2 then A0

right of valve stem:

MI over a 0 then 25 right next to the stem

Sorry I should of written it down the first time.

Thanks
 

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AO is the wheel code for 14x7 SS wheel- 1969-70 Chevelle and Camaro.

This is the 5 spoke wheel with SS cap.
 

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Unless they cahnged after 1969 wheel stamps don't use letters except for the first character which indicates the assembly plant, and the wheel code letters. Dates are numeric only.

M-1-2 5 () 2 AO

M = Manufacturer (?)
1 = Plant number
2 = 1972 Model Year
5 = May
() = Valve Stem
2 = 2nd day of May
AO = 5 spoke SS wheel

In 69 the Kelsy Hayes Plant in Romulus Mi. was coded K-1, maybe it changed to M-1 after 1970.
 

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First off, I take it these codes read facing the center of the wheel (or, you can read them 'right-side-up' with the valve stem/hole in the "up" position v.s. the "down" position).
The 'MI' is the coding for late 69~early 70's Kelsey wheels from the Romulus plant.
The '0' (underneath the 'MI') is the year assembled 1970.
The '25' is the day.
The '2' is the month
The 'AO' is the application code as discribed by others.

GM part #3975671.
Rim is welded to center and is a "JJ" tubless profile rim.

You are probably right about the 'I beleive there are for a 1970 chevelle' part of your statement.

Hope this helps;
John
 
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