| Gauge Size | Mount Hole Diameter |
| 2-1/16" | 2.10” (54mm) |
| 2-5/8" | 2.68” (68mm) |
| 3-3/8" | 3.33” (85mm) |
| 4" | 3.93” (100mm) |
| 4.5" | 4.23“ (108mm) |
All of the gauge dimensions including the gauge bezel diameters can be found on the Gauge Dimensions Document.
What are the hole sizes for each of the gauges?
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