1982 REAR AXLE IDENTIFICATION MODEL CODE RATIO SIZE BRAKE S1 KYN 2 56 7 50 9 5 x 2 Exc G80 S1 KYR 2 56 7 50 9 5 x 2 w G80 2 S1 KCA 2 73 7 50 9 5 X 2 Exc Gan S1 KCB 2 73 7 50 9 5 x 2 w G80 S1 KBS 2 73 7 50 9 5 x 2 Exc G80 S1 KXN 3 08 7 50 9 5 x 2 Exc G80 S1 KXR 3 08 7 50 9 5 x 2 w G80 5 S1 KDN 3 42 7 50 9 5 x 2 Exc G80 S1 KDR 3 42 7 50 9 5 x 2 w G80 S1 KHD 3 42 7 50 9 5 x 2 Exc G80 S1 KBN 3 73 7 50 9 5 x 2 Exc G80 S1 KBR 3 73 7 50 9 5 x 2 w G80 S1 KRA 4 11 7 50 9 5 x 2 Exc G80 S1 KRB 4 11 7 50 9 5 x 2 w G80 1983 REAR AXLE IDENTIFICATION ST TRUCK MODEL CODE RATIO SIZE BRAKE S CUA 2 56 7 50 9 5 x 2 Exc G80 S CUB 2 56 7 50 9 5 x 2 w G80 S CSK 2 73 7 50 9 5 x 2 Exc G80 S CSN 2 73 7 50 9 5 x 2 w G80 S CFA 2 73 7 50 9 5 x 2 Exc G80 S CXA 3 08 7 50 9 5 x 2 Exc G80 S CXB 3 08 7 50 9 5 x 2 w G80 S CFB 3 42 7 50 9 5 x 2 Exc G80 S CFC 3 42 7 50 9 5 x 2 w G80 S CSM 3 73 7 50 9 5 x 2 I Exc G80 S CWN 3 73 7 50 9 5 x 2 w G80 I S CDC 4 11 7 50 9 5 x 2 Exc G80 S CDD 4 11 7 50 9 5 x 2 w G80 T CWA 2 73 7 50 9 5 x 2 Exc G80 T CWB 2 73 7 50 9 5 x 2 w G80 T CXC 3 08 7 50 9 5 x 2 Exc G80 T CXD 3 08 7 50 9 5 x 2 w G80 T CFD 3 42 7 50 9 5 x 2 Exc G80 A T CWC 3 42 7 50 9 5 x 2 w G80 T CWD 3 73 7 50 9 5 x 2 Exc G80 T CWF 3 73 7 50 9 5 x 2 w G80 T CDF 4 11 7 50 9 5 x 2 Exc G80 T CDH 4 11 7 50 9 5 x 2 w G80 I G80 P T RAC J WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 52S 16 V R EV 9 82