I A TX05 076 RPO DEFINITIONS V GK9 AXLE REAR 4 63 RATIO GT4 AXLE REAR 3 73 RATIO GT5 AXLE REAR 4 IO RATIO I GSO AXLE REAR P9S TRACTION LIMITED SLIP HC4 AXLE REAR 4 56 RATIO V HC7 AXLE REAR 5 I3 FINTIO HF8 AXLE REAR 4 88 RATIO JB7 BRAKE SYSTEM VACUUM POWER DISC DRUM JB8 BRAKE SYSTEM HYDRAULIC POWER D SC DRUM JD7 BRAKE SYSTEM HYDRAULIC POWER D SC DRUM JF9 BRAKE SYSTEM HYDRAULIC POWER 4 WHEEL DISC MT I TRANSMISSIONAUTO 4 SPD THM R2 4L80 MT8 TRANSMISSION MANUAL 5 SPD NEW PROCESS 1 RO5 WHEELS DUAL REAR V YIO 10 50 DIAMETER RING GEAR SAGINAW REAR AXLE A YI3 11 50 DIAMETER RING GEAR DANA REAR AXLE I I 3 1992 GENERAL MOTORS SERVICE PARTS 0PERAT 0Ns LT TRuc ssp 5 000 GROUP I 5 18 I 9 92