RPO codes beginning with G.
G44 : AXLE REAR 3.07 RATIO
G51 : SPRING REAR, HEAVY DUTY, VAR 2
G52 : SPRING, RR, 15000 LBS
G5O : SPRING REAR, HEAVY DUTY, VAR 1
G60 : SPRING REAR, AUXILIARY
G66 : LEVEL CONTROL, MAN, AIR
G67 : LEVEL CONTROL, AUTO, AIR
G69 : LEVEL CONTROL, AUTO, AIR, HD
G72 : AXLE REAR, 2.14 RATIO
G75 : AXLE REAR, 3.62 RATIO
G80 : AXLE POSITRACTION, LIMITED SLIP
G87 : RING GEAR, 8.50 INCH
G89 : RING GEAR, 7.50 INCH
G92 : AXLE REAR RATIO, PERFORMANCE
G9S : AXLE REAR RATIO, ECONOMY
GH0 : AXLE REAR, 3.54 RATIO
GH2 : AXLE REAR, 2.29 RATIO
GH3 : AXLE REAR, 2.77 RATIO
GH4 : AXLE REAR, 2.92 RATIO
GK9 : AXLE REAR, 4.63 RATIO
GL3 : AXLE REAR, 6.17 RATIO
GM1 : AXLE REAR, 2.59 RATIO
GM3 : AXLE REAR, 3.45 RATIO
GM8 : AXLE REAR, 2.56 RATIO
GQ1 : AXLE, STD RATIO
GS4 : AXLE REAR, 3.70 RATIO
GT4 : AXLE REAR, 3.73 RATIO
GT5 : AXLE REAR, 4.10 RATIO
GT7 : AXLE REAR, 3.33 RATIO
GT8 : AXLE REAR, 4.10 RATIO
GTY : AXLE, WIDE TRACK
GU1 : AXLE REAR, 2.41 RATIO
GU2 : AXLE REAR, 2.73 RATIO
GU4 : AXLE REAR, 3.08 RATIO
GU5 : AXLE REAR, 3.23 RATIO
GU6 : AXLE REAR, 3.42 RATIO
GV2 : AXLE REAR, 5.83 RATIO
GV4 : AXLE REAR, 3.36 RATIO
GV8 : AXLE REAR, 2.72 RATIO
GW4 : AXLE REAR, 3.31 RATIO
GW6 : AXLE REAR, 3.27 RATIO
GW9 : AXLE REAR, 2.93 RATIO
GX3 : RATIO,TRANSAXLE FINAL DRIVE 3.33
GYS : RATIO TRANSAXLE FINAL DRIVE 3.65
