Published September 29, 2026
The following Regular Production Option (RPO) codes are the factory options, paint codes, and interior codes listed for the 1990 Corvette on the 1990 VetteFacts production page. A code is included only when that year page lists it.
Label placement changes by model year. See where the Corvette RPO code label is located.
1990 Corvette RPO Codes
| RPO Code | Description |
|---|---|
| 10 | Exterior, White |
| 193 | Interior, Black Leather |
| 19C | Interior, Black Cloth |
| 1YY07 | Base Coupe |
| 1YY67 | Base Convertible |
| 223 | Interior, Blue Leather |
| 24S | Removable Roof Panel, blue tint |
| 25 | Exterior, Steel Blue Metallic |
| 41 | Exterior, Black |
| 42 | Exterior, Turquoise Metallic |
| 53 | Exterior, Competition Yellow |
| 603 | Interior, Saddle Leather |
| 60C | Interior, Saddle Cloth |
| 64S | Removable Roof Panel, bronze tint |
| 68 | Exterior, Dark Red Metallic |
| 733 | Interior, Red Leather |
| 80 | Exterior, Quasar Blue Metallic |
| 81 | Exterior, Bright Red |
| 903 | Interior, Gray Leather |
| 91 | Exterior, Polo Green Metallic |
| 96 | Exterior, Charcoal Metallic |
| AC1 | Power Passenger Seat |
| AC3 | Power Driver Seat |
| AJ3 | Inflatable Restraint System |
| AQ9 | Leather Sport Seats |
| AR9 | Base Leather Seats |
| B2K | Callaway Twin Turbo |
| C2L | Dual Removable Roof Panels |
| C60 | Manaul Control Air Conditioning |
| C68 | Electronic Air Conditioning |
| CC2 | Auxiliary Hardtop (Convertible) |
| CC3 | Removable Plastic Roof Panel |
| CF7 | Non-Transparent Removable Roof Panel |
| D3X | Speedometer Driven Gear (25513049) |
| D4D | Speedometer Driven Gear (25513047) |
| D74 | Illuminated Mirror, Inside Vanity Visor |
| D7B | Speedometer Driven Gear (25513050) |
| D7C | Speedometer Driven Gear (25513043) |
| D9A | Speedometer Sensor (25007224) |
| D9B | Speedometer Sensor (25007308) |
| DL8 | Twin Electric Remote Heated Sport Mirrors |
| FE1 | Soft Ride Suspension |
| FE7 | Heavy Duty Suspension |
| FX3 | Selective Ride and Handling System |
| G44 | 3.07 Rear Axle Ratio |
| G87 | 8.5 - Inch Ring Gear |
| G92 | Performance Axle Ratio, 3.07:1 |
| GH0 | 3.54 Rear Axle Ratio |
| GM1 | 2.59 Rear Axle Ratio |
| GM3 | 3.45 Rear Axle Ratio |
| GT7 | 3.33 Rear Axle Ratio |
| GU2 | 2.73 Rear Axle Ratio |
| J55 | Heavy Duty Brakes |
| JL9 | Front and Rear Anti-lock Brakes |
| K05 | Engine Block Heater |
| K09 | 120 Amp Generator |
| K68 | 105 Amp Generator |
| KC4 | Engine Oil Cooler |
| L98 | 5.7 Liter, V-8 Engine, TPI |
| LT5 | 5.7 Liter, V-8 Engine, MPFI, DOHC |
| MD8 | 4-speed Automatic Transmission (4L60) |
| ML9 | 6-speed Manual Transmisson (ZF) |
| MN6 | 6-spd, Manual Trans. |
| NK4 | Steering Wheel, Sport Leather |
| NN5 | California Emission Requirements |
| QA1 | Aluminum Wheel, 17x9.5 |
| QA2 | Aluminum Wheels, 17x9.5 Front, 17x11 Rear |
| T61 | Daytime Running Lamps |
| T93 | Special Tail and Stop Lamps |
| U19 | Instrument Cluster, Kilometers and Miles |
| U19 | Instrument Cluster, Kilometers and Miles |
| U1F | Delco Bose CD Stereo System |
| U52 | Electronic Instrument Cluster |
| UJ6 | Low Tire Pressure Warning System |
| UM6 | Electronically Tuned Stereo with Cassette/Clock |
| UU8 | Delco Bose Stereo System |
| UX0 | Delco Bose 6-Speaker Stereo System |
| V56 | Luggage Rack (Convertible) |
| XAU | Front Tire, P274/40ZR17 |
| YAU | Rear Tire: P275/40ZR17 |
| YBE | Rear Tire: P315/35ZR17 |
| Z51 | Performance Handling Package (Coupe) |
| ZR1 | Special Performance Handling Package (Coupe) |