GM PRODUCTION OPTIONS GMI x I I E28 Handle Assist F16 Axle Front 2 53 Ratio GU4 Axle Rear 3 08 Ratio II 31 Body staging Ft mobs FW3 Axle Front 2 33 Ratio GU5 Axle Rear 3 23 Ratio Van FW4 Axle Front 3 36 Ratio GU6 Axle Rear 3 42 Ratio E32 Bgdy Stggl Square F C FW5 Axle FTOTII 4 10 Ratio GV8 Axle BEST 2 72 Ratio Panel 4 FW6 Axle Front 2 14 Ratio GV4 Axle Rear 3 36 Ratio E33 Body Aluminum Square FW7 Axle Front 3 83 Ratio GW9 Axle Rear 2 93 Ratio F C Panel F01 Frame H D GX3 Axle Front 3 33 Ratio E34 Body Steel 10 Ft Hi Cube F17 Axle Front 2 84 Ratio GX4 Axle Rear 3 75 Ratio Van F25 Axle Front 3 34 Ratio GX5 Axle Rear 4 09 Ratio E35 Body Steel 12 Ft Hi Cube F29 Axle Frt 2 41 Ratio GX9 Axle Rear 2 92 Ratio Van F36 Axle Frt 2 19 Ratio GY5 Axle Front 3 65 Ratio E36 Body Aluminum 10 Ft F40 Suspension Heavy Duty G50 Spring Hevy Rr Var 1 Hi Cube Van Front Rear G51 Spring Special Heavy Rr E37 IBody Aluminum 12 Ft F41 Suspension Special I Var 2 Hi Cube Van Performance Frt rr G52 Spring Extra Capacity E38 Body Steel 12 Ft Hi Cube F42 Suspension Heavy Rr Van Duty Frt y G60 Spring Auxiliary E39 Body Aluminum 12 Ft F44 Chassis Equipment Heavy G66 Shock Abs Air Booster Hi Cube Van Duty Rr E46 Door w Gls Trk Body F45 Axle Frt 2 93 Ratio G67 Shock Abs Auto Lvlgj Overhead Rr 66 inch F47 Axle Front 2 73 Ratio Cont Sys 1977 Prior E50 Bar Roll F51 Absorber Heavy Duty G67 Shock Abs Elec Lvlg E52 Doors Rn Wraparound Shock Cont Sys 1978 83 inch F57 Axle Front 3 15 Ratio G72 Rear Axle 2 14 1 E53 Doors Rr Wraparound F58 Stabilizer Shaft Front G75 Axle Rear 3 62 Ratio 87 inch Heavy Duty G80 Axle Rear Locking Type E55 End Gate Suburban F59 Stabilizer Frt G83 Ring Gear 8 E56 Platform Skate Rack F60 Spring Heavy Front on G87 Ring Gear 8 z E62 Pickup Box Stepside Var 1 G88 Ring Gear 87 ta E63 I Pickup Box Fleetside F61 Shaft Stab Rr G89 Ring Gear 7 z I E70 Housing Whl For Dual F62 Axle Front 2 39 Ratio G92 Axle Rear Performance Rr Whls F65 Positrim Equip G95 Axle Rear Economy E71 F oor Cargo Smooth STL F66 Positrim Equip E73 Body Width Addition F67 Axle Front 3 19 Ratio HA3 Axle Rear 5 29 Ratio 9 ln F68 Axle Front 3 45 Ratio HC2 Axle Rear 2 76 Ratio E74 Body Width Addition F71 Spring w Shk Abs H D HC4 Axle Rear 4 56 Ratio 13 ln I Var 1 HC7 Axle Rear 5 13 Ratio E76 Doors Rr 60 inch F72 Spring w Shk Abs H D HC8 Axle Rear 3 21 Ratio E79 Doors Rr Strap Hinges Var 2 HD1 Axle Rear 5 83 Ratio 74 inch F75 Axle Front 3 18 Ratio HE3 Axle Rear 3 07 Ratio E81 Floor Board Equipment F77 Axle Front 3 18 Ratio HE4 Axle Rear 3 40 Ratio Wood F79 Axle Front 2 97 Ratio HF7 Axle Rear 4 56 Ratio E82 Steel Deck Lid F85 Stabilizer Shaft Front Heavy Duty E83 Aluminum Deck Lid Heavy Duty HF8 Q Axle Rear 4 88 Ratio E86 Cover Tonneau Cargo F90 t Axle Front 2 73 Ratio I HK1 Axle Rear 2 87 Ratio Box Snap On HO4 Axle Rear 4 11 Ratio E89 Panel Cab Driver Dr GH1 Axle Rear 2 24 y H22 Axle Rear 6 17 Ratio Opg GHZ Axle Rear 2 29 Ratio H23 Axle Rear 5 43 Ratio E94 Beauvill Equip Chev or GH4 Axle RBHF 2 28 RBUG Rally Stx Equip GL1 Diff Carrier Rr Axle Alum JA1 Brake System Disc Drum GM7 Axle Rear 2 39 Ratio Lt Duty FE1 Rally Susp Pkg GM8 Axle Rear 2 56 Ratio JA2 Brake System Disc Drum FE2 Rally Suspension Package GN1 Stabilizer Shaft Rear Med Duty FE3 Suspension System GN3 Driver Control Leveling JA3 Brake System Disc Drum Special Less Stab Shf GO1 Axle Ratio Stud Rr JA4 Brake Disc Drum FE7 Suspension Frt and Rr GR4 Axle Rear 3 73 Ratio JA5 Brake Disc Drum H D Var 3 GS4 Axle Rear 3 70 Ratio JA6 4 Wheel Disc I FG2 Shock Abs Frt Rr GT4 Axle Rear 3 73 Ratio JA8 Brake System Disc Drum Firm Ride GT5 Axle Rr 4 10 Ratio Heavy Duty FK2 Anchor Torsion Bar Rr GT8 Axle Rear 4 10 Ratio JB1 Brake Disc Drum 57 Degree Heavy Duty JB2 Brake Disc Drum I FK3 Anchor Torsion Bar Rr GUX Axle Rear 3 08 Ratio JB3 Brake Vacuum Power 63 Degree GU1 Axle Rear 2 41 Ratio Disc Drum Type A FL2 Axle Front Dana GU2 Axle Rear 2 73 Ratio JB5 Brake Vacuum Power I FL3 Axle Front Chevrolet GU3 Axle Rear 2 93 Ratio Disc Drum Type B WAREHOUSING AND DISTRIBUTION DIVISION OF GENERAL MOTORS CORPORATION LT TRUCK 52S A REV 9 82 21