AXLE IDENTIFICATION CODES CONT D INDICATES POSITRACTION 1983 CONT D B 3 23 RATIO GU5 OPTION 3 42 RATIO GU5 OPTION 3 08 RATIO GU4 OPTION CODE RING GEAR CODE RING GEAR CODE RING GEAR YK 8 75 FF 7 50 WJ 8 75 TK 8 75 FL 7 50 WK 8 75 WZ 8 75 WL 8 75 YZ 8 75 WM 8 75 TZ 8 75 ZJ 8 75 ZT 8 50 YJ 8 75 ZB 8 50 TJ 8 75 YE 8 50 WY 8 75 YS 8 50 ZT 8 75 ZG 8 50 YY 8 75 ZZ 8 50 TY 8 75 DH 8 50 25 8 50 DY 8 50 ZA 8 50 DD 8 50 ZE 8 50 DR 8 50 ZV 8 50 YM 8 50 YD 8 50 YR 8 50 DG 8 50 DX 8 50 DC 8 50 DO 8 50 YL 8 50 YY 8 50 G 2 14 RATIO G72 OPTION 2 29 RATIO GH2 OPTION 2 39 RATIO GM7 OPTION CODE RING GEAR CODE RING GEAR CODE RING GEAR RH 7 50 RA 7 50 AP 7 50 CA 7 50 CB 7 50 RJ 7 50 AK 7 50 AH 7 50 BK 7 50 AN 7 50 CO 7 50 CP 7 50 RR 7 50 BH 7 50 CF 7 50 RT 7 50 AR 7 50 AT 7 50 CS 7 50 CG 7 50 BR 7 50 BT 7 50 BN 7 50 CT 7 50 2 41 RATIO GU1 OPTION 2 56 RATIO GM8 OPTION 2 73 RATIO GU2 OPTION CODE RING GEAR CODE RING GEAR CODE RING GEAR RB 7 50 RC 7 50 RD 7 50 CC 7 50 CE 7 50 CD 7 50 AJ 7 50 AA 7 50 AB 7 50 AM 7 50 CN 7 50 AL 7 50 BM 7 50 BA 7 50 BL 7 50 CG 7 50 CI 7 50 CR 7 50 BJ 7 50 AY 7 50 BB 7 50 RZ 7 50 CV 7 50 RX 7 50 CH 7 50 BY 7 50 CJ 7 50 AZ 7 50 RY 7 50 AX 7 50 BZ 7 50 CL 7 50 CW 7 50 CU 7 50 CY 7 50 BX 7 50 CK 7 50 CM 7 50 CX 7 50 CZ 7 50 t 1991 GENERAL NIOTOFIS SERVICE PARTS OPERATIONS CHEVROLET 17W 6 91 5 7 5 000