Team Chevelle

1967 Chevelle Differential Codes

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
Code Positraction Ratio
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