I I I TX05 0275 2 40 5 508 MAGNET DIFF CARRIER CHIPV Q I 3787240 41 5 399 GASKET DIFF CARRIER I I 2 6016661 V 42 5 531 BOLT HYPOID DRIVE GEAR 10 REOD 1241564 43 5 809 DRUM REAR BRAKE CAST IRON 2 REOD 1249146 5 809 DRUM REAR BRAKE ALUM 1982 84 2 REOD 1255496 NOTE 1 FOR INFORMATION ION LOCKING DIFFERENTIAL G80 SEE LOCKING DIFFERENTIAL ILLUSTRATION IN GROUP 5 000 A RPO DEFINITIONS I I GM8 REAR AXLE 2 56 RATIO I GT4 REAR AXLE 3 73 RATIO V GU2 REAR AXLE 2 73 RATIO I I GU4 REAR AXLE 3 08 RATIO I GU6 REAR AXLE 3 42 RATIO I M G8O POSITRACTION LIMITED SLIP I I H04 REAR AXLE 4 11 RATIO I 1990 GENERAL MOTORS SERVICE PARTS 0PERATIONS LIGHT TRUCK 52S i 5 000 GROUP I 1 5 6 I 10 90