Total Production = 23,646 (16,016 Coupe, 7,630 Convertible)
FIBERGLASS FACT: All LT-5 engines were built by Mercury Marine in Stillwater, Oklahoma.
| RPO# | DESCRIPTION | QUANTITY | $ RETAIL |
| 1YY07 | Base Corvette Sport Coupe | 16,016 | 31,979 |
| 1YY67 | Base Corvette Convertible | 7,630 | 37,264 |
| AR9 | Base Seats - Leather | 11,649 | 425 |
| AQ9 | Sport Seats - Leather | 11,457 | 1,050 |
| AC3 | Power Driver Seat | 23,109 | 270 |
| AC1 | Power Passenger Seat | 20,419 | 270 |
| B2K | Callaway Twin-Turbo | 58 | 26,895 |
| CC2 | Auxillary Hardtop (convertible) | 2,371 | 1,995 |
| C2L | Dual Removable Roof Panels (coupe) | 6,422 | 915 |
| 24S | Removable Roof Panel, blue tint (coupe) | 7,852 | 615 |
| 64S | Removable Roof Panel, bronze tint (coupe) | 4,340 | 615 |
| C68 | Air Conditioning, Electronic Control | 22,497 | 180 |
| FX3 | Selective Ride and Handling, Electronic | 7,576 | 1,695 |
| G92 | Performance Axle Ratio | 9,362 | 22 |
| K05 | Engine Block Heater | 1,585 | 20 |
| KC4 | Engine Oil Cooler | 16,220 | 110 |
| MN6 | 6-Speed Manual Transmission | 8,100 | 0 |
| NN5 | California Emission Requirements | 4,035 | 100 |
| UJ6 | Low Tire Pressure Warning Indicator | 8,432 | 325 |
| UU8 | Stereo System, Delco-Bose | 6,401 | 823 |
| U1F | Stereo System with Compact Disc, Delco-Bose | 15,716 | 1,219 |
| V56 | Luggage Rack (convertible) | 1,284 | 140 |
| Z51 | Performance Handling Package (coupe) | 5,446 | 460 |
| ZR1 | Special Performance Package | 3,049 | 27,016 |
1990 Corvette Exterior Color Choices
CODE
EXTERIOR
QUANTITY
10
White
4,872
25
Steel Blue Metallic
813
41
Black
4,759
42
Turquoise Metallic
589
53
Competition Yellow
278
68
Dark Red Metallic
2,353
80
Quasar Blue Metallic
474
81
Bright Red
6,956
91
Polo Green Metallic
1,674
96
Charcoal Metallic
878
1990 Corvette Interior Color Choices
CODE
COLOR
19C
Black Cloth
193
Black Leather
223
Blue Leather
60C
Saddle Cloth
603
Saddle Leather
733
Red Leather
903
Gray Leather
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