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Rear Axle ID codes and ratio's 68-70 $0.00
Part Number: REP 123
Part Year: 1968-1970

Rear Axle ID codes and ratio's. 1968 - 1970

**1968-1969 **
 
AK  3.36:1  Standard (327/350)
AL   3.08:1  Positraction (327/350)
AM  3.36:1  Positraction (327/350)
AN  3.55:1  Positraction (327/350)
AO  3.70:1  Positraction (327/350)
AP   4.11:1  Positraction (327/350)
AS   3.70:1  Standard (327/350)
AT   3.08:1  Heavy Duty Positraction (427)
AU  3.36:1  Heavy Duty Positraction (427)
AV  3.08:1  Positraction (427)
AW 3.08:1  Heavy Duty Positraction (427)
AY  2.73:1  Heavy Duty Positraction (427 Turbo Hydra-Matic)
AZ   3.55:1  Heavy Duty Positraction (427)
FA   3.70:1  Heavy Duty Positraction (427)
FB   4.11:1  Heavy Duty Positraction (427)
FC   4.56:1  Heavy Duty Positraction (427)

Note:  1968-69 Corvette rear axles were manufactured at Warren and are suffixed "W".  1969 models built after approximately August of 1969 use 1970 coded rear axles.

**1970 & Late 1969**
 
CAK  3.36:1  Standard (350)
CAL   3.08:1  Standard (350)
CAM  3.36:1  Positraction (350)
CAN  3.55:1  Standard (350)
CAO  3.70:1  Positraction (350)
CAP   4.11:1  Standard (350)
CAS   3.70:1  Standard (350)
CAT   3.08:1  Heavy Duty Positraction (454)
CAU   3.36:1  Heavy Duty Positraction (454)
CAV  3.08:1  Standard (454)
CAW  3.08:1  Standard (454)
CAX   3.36:1  Heavy Duty Positraction (454)
CAY   2.73:1  Positraction (454 Turbo Hydra-Matic)
CAZ   3.55:1  Heavy Duty Positraction (454)
CFA   3.70:1  Positraction (454)
CFB   4.11:1  Heavy Duty Positraction (454)
CFC   4.56:1  Heavy Duty Positraction (454)
CLR   3.36:1  Standard (454)

Note:  Positraction became standard equipment on the 1970 Corvette and the inclusion of non-Positraction (standard) axle codes by Chevrolet is in conflict.


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