1979 REAR AXLE IDENTIFICATION 729 LIGHT TRUCK AXLE MBR AXLE IINGR I 9 60115 IIA RATIO BMKB STD P IRK CODE DIA RATIO IRAIIES STD PIIRK 6 TRUCK 30 SERIES ConI I P TRUCK 30 SERIES RNU 9 75 4 56 JB8 X KMW 10 50 4 10 JB7 X E IDana I0 50 4 10 JB7 X n 75 10 50 4 I0 JB8 X RRB 10 50 3 75 JBB X KRA I0 50 4 56 JB7 X RRC 10 50 3 75 JB6 X KRB I0 50 4 56 JB8 X RRII 1050 3 75 JB6 X KRC I0 50 456 JB8 X RRF 10 50 3 75 JB6 X KRD I0 50 4 JBB X RRI 10 50 3 75 JB7 X KRF 10 50 4 56 JB7 X RRJ 1050 3 75 JB7 X KRN I0 50 4 56 JB8 X KSC I0 50 4 56 JB X KTB 1050 5I3 JB6 X KWH 10 50 4 56 JFS X P TRUCK 10 SERIES Iowa an 0675 2 7 Jas 5 Dfw RBZ 0875 3 73 JB5 X now ms 4 11 Iss x QF JH X nm ws 4 11 Jas x 5 7 M P TRUCK 20 SERIES I KFA 1050 4 56 JB7 X KFB 1050 4 58 JB6 X KFC I0 50 4 56 JB6 X KFM 10 50 4 56 JE6 X KFT 1050 4 56 JB6 X KJH 1050 4 10 JB6 X KJS 1050 4 10 JB7 X KSY I0 50 4 56 JB7 X WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 52A sa REV 1 84