I I I I I TX05 027 NOTE 1 FOR INFORMATION ON LOCKING DIFFERENTIAL G80 SEE ILLUSTRATION ENTITLED LOCKING I P I DIFFERENTIAL I NOTE 2 PART OF 22525894 GEAR KIT 5 527 INCL ITEMS 30 35 RPO DEFINITIONS I I V I I I a I GM8 REAR AXLE 2 56 RATIO I GT4 REAR AXLE 3 73 RATIO I I GT5 REAR AXLE 4 10 RATIO I I GU2 REAR AXLE 2 73 RATIO I GU4 REAR AXLE 3 08 RATIO GU5 REAR AXLE 3 23 RATIO I I I GU6 REAR AXLE 3 42 RATIO I H04 REAR AXLE 4 11 RATIO I j 1991 GENERAL MOTORS SERVICE PARTS OPERATIONS LTITRUCK 52M I 5 000 GROUP I I II sa I I 1 91