Chevrolet C20 Spare Tire Sizes
The Chevrolet C20 has used a 6x5.5" bolt pattern for all models from 1967 to 1987 along with tire diameters ranging from 26.9" to 31.8" tall. Using a temporary spare tire with a diameter close to the standard tire has many benefits, especially for modern vehicle applications. Tire diameter as well as wheel diameter clearance have been taken into account for the specific Chevrolet C20 years and options. In this case, using a non-temporary Full-Size tire as your spare, is the recommendation for all applications.
| Year | Make | Model | Bolt Pattern | Tire Diameters | Recommended Spare |
|---|---|---|---|---|---|
| 1987 | Chevrolet | C20 | 6-139 | 30.4-31.7" | Full Size |
| 1986 | Chevrolet | C20 | 6-139 | 30.4-31.7" | Full Size |
| 1985 | Chevrolet | C20 | 6-139 | 30.4-31.7" | Full Size |
| 1984 | Chevrolet | C20 | 6-139 | 30.4-31.7" | Full Size |
| 1983 | Chevrolet | C20 | 6-139 | 30.4-31.7" | Full Size |
| 1982 | Chevrolet | C20 | 6-139 | 30.4-31.7" | Full Size |
| 1981 | Chevrolet | C20 | 6-139 | 29.5-31.8" | Full Size |
| 1980 | Chevrolet | C20 | 6-139 | 29.5-31.8" | Full Size |
| 1979 | Chevrolet | C20 | 6-139 | 28.6-31.8" | Full Size |
| 1978 | Chevrolet | C20 | 6-139 | 28.6-31.8" | Full Size |
| 1970 | Chevrolet | C20 | 6-139 | 26.9-27.1" | Full Size |
| 1969 | Chevrolet | C20 | 6-139 | 26.9-27.1" | Full Size |
| 1968 | Chevrolet | C20 | 6-139 | 26.9-27.1" | Full Size |
| 1967 | Chevrolet | C20 | 6-139 | 26.9-27.1" | Full Size |
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