| Lincoln | Model Year | Closest distance between forward towers - (M1) | Distance from uppermost windshield to forwardmost tower foot - (M2) | Closest distance between rear towers - (M3) | Crossbar spread distance center to center - (M4) |
| Continental | 88/94 | Q54 - 39 1/4" | 6" | Q54 - 38 5/8" | 36" |
| Continental | 82/87 | Q31 - 43 3/4" | 5" | Q31 - 45" | 36" |
| Town Car | 90/96 | Q37 - 44 5/8" | 6" | Q31 - 43 1/4" | 36" |
