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Rear Axle Code information is stamped on the axle housing for this year.. contains a 7 digit code that tells the stock ratio, month / day of build as well as the production facility, either W - Warren or B - Buffalo
Format is: CA0403B for a 3.08 rear ratio built on April 3rd at the Buffalo plant.


Rear Numerical Codes​
CodePositractionRatio
CA
3.08​
CB
3.36​
CC
3.73​
CD
X​
3.07​
CE
X​
3.08​
CF
X​
3.31​
CG
X​
3.36​
CH
X​
2.73​
CI
X​
3.73​
CJ
3.07​
CK
X​
3.07​
CN
3.31​
CO
X​
3.31​
CR
X​
3.70​
CT
3.73​
CU
X​
3.73​
CV
3.70​
CW
3.31​
CX
3.07​
KF
X​
3.55​
KG
X​
3.55​
KH
3.55​
KJ
3.55​
KK
X​
4.10​
KL
4.10​
KM
X​
4.56​
KN
4.56​
KO
X​
4.88​
KP
4.88​

1967
 
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