| Material | Chrome Plated Steel |
| Unit & Package | Sold by each, color plastic bag |
| Chrome Plated Steel | I.D. | Height | Description |
| 20170 | 7-1/4" | 2-3/4" | 7-1/4" dia. axle, 12 of 1/2" studs |
| 20180 | 8" | 2-3/4" | 8-1/2" dia. axle, 8 of 5/8" studs, also fits "Peterbilt" 1995 up |
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