| Gauge Size | Mount Hole Diameter |
| 2-1/16" | 2.05” (52mm) |
| 2-5/8" | 2.64” (67mm) |
| 3-3/8" | 3.28” (83mm) |
| 4" | 3.93” (100mm) |
| 4.5" | 4.20“ (107mm) |
| 5.5" | 5.31“ (135mm) |
All of the gauge dimensions including the gauge bezel diameters can be found on the Gauge Dimensions Document.
Oct 8, 2026