Ferrari Superamerica Wheel Lug Pattern, Offset & Rim Size Reference
The Ferrari Superamerica features distinct wheel lug patterns critical for proper wheel fitment and safety. This guide presents the exact lug count and pitch circle diameter (PCD), alongside offset (ET), center bore diameter, and rim size details sorted by model year.\n\nFerrari Superamerica wheels typically use a 5-lug pattern with a PCD of 114.3 mm, though variations can occur depending on the production year and specific trim. Offset (ET) values are also specified to ensure optimal clearance and handling characteristics.\n\nCenter bore measurements are provided to help select wheels that align perfectly with the hub, preventing vibrations and ensuring vehicle safety. Rim sizes are offered for context, assisting in understanding factory and aftermarket wheel options compatible with the Ferrari Superamerica.\n\nUse this reference to verify correct Ferrari Superamerica wheel specifications before purchasing replacements or upgrades, ensuring precise fitment and maintaining vehicle performance.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Ferrari Superamerica 575 | 2006 | 255/35R19 | 8.5 | 19 | 5×108 | 50 | 67.1 | M14*1,5 |
| Ferrari Superamerica 575 | 2005 | 255/35R19 | 8.5 | 19 | 5×108 | 50 | 67.1 | M14*1,5 |
FAQ
- What is the standard lug pattern for Ferrari Superamerica wheels?
- The standard lug pattern for Ferrari Superamerica wheels is 5×114.3 mm, meaning 5 lug nuts arranged in a circle with a 114.3 mm diameter.
- Why is wheel offset (ET) important for Ferrari Superamerica fitment?
- Wheel offset (ET) affects the positioning of the wheel relative to the hub and suspension components; incorrect ET can lead to poor handling or clearance issues.
- How does the center bore affect wheel compatibility on a Ferrari Superamerica?
- The center bore ensures the wheel fits snugly on the hub to avoid vibrations. Matching this diameter is essential for proper mounting and safety.
Tire size calculatorShow
Compare two tire sizes — diameter, speedometer error, and clearance change.
| Size 1 | Size 2 | Diff | Diff(%) | |
|---|---|---|---|---|
| Diameter | 25.0" | 25.4" | 0.5" | 1.89% |
| Width | 7.7" | 8.5" | 0.8" | 10.26% |
| Circumference | 78.4" | 79.9" | 1.5" | 1.86% |
| Profile height | 5.0" | 4.2" | -0.7" | -15.08% |
| Turnover per mile | 807 | 793 | 14 | -1.73% |
| Clearance | - | - | +0.2" | - |






Speedometer Error
(First wheel OEM size)
| Reading | 20 mph | 30 mph | 40 mph | 50 mph | 60 mph | 70 mph | 80 mph | 90 mph |
|---|---|---|---|---|---|---|---|---|
| Actual | 20.4 | 30.5 | 40.7 | 50.9 | 61.1 | 71.2 | 81.4 | 91.6 |
