Ferrari 348 GTB Wheel Lug Pattern, Offset ET & Center Bore Reference
The Ferrari 348 GTB features a precise wheel lug pattern that is essential for ensuring proper fitment and safety. This model uses a lug pattern of 5 × 108 mm PCD, which indicates five lug nuts arranged on a pitch circle diameter of 108 millimeters.\n\nThe factory offset ET for the 348 GTB typically ranges from ET35 to ET45, depending on the rim style and year. Maintaining the correct offset ensures proper clearance from suspension components and the body, preserving driving dynamics and aesthetics.\n\nThe center bore diameter for the Ferrari 348 GTB wheels is 66.6 mm. This dimension centers the wheel on the hub, preventing vibrations and promoting secure mounting. Rim sizes compatible with the 348 GTB are generally between 16 and 17 inches in diameter, tailored to match OEM specifications.\n\nThis catalog page offers year-sorted reference data for the Ferrari 348 GTB wheel specifications to assist in selecting wheels and tires that fit perfectly while maintaining factory performance and appearance.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Ferrari 348 GTB 3.4 | 1994 | 215/50R17 | 8 | 18 | 5×108 | 40 | 67.1 | M14*1,5 |
| Ferrari 348 GTB 3.4 | 1993 | 215/50R17 | 8 | 18 | 5×108 | 40 | 67.1 | M14*1,5 |
| Ferrari 348 GTB 3.4 | 1992 | 215/50R17 | 8 | 18 | 5×108 | 40 | 67.1 | M14*1,5 |
| Ferrari 348 GTB 3.4 | 1991 | 215/50R17 | 8 | 18 | 5×108 | 40 | 67.1 | M14*1,5 |
| Ferrari 348 GTB 3.4 | 1990 | 215/50R17 | 8 | 18 | 5×108 | 40 | 67.1 | M14*1,5 |
FAQ
- What is the wheel lug pattern for the Ferrari 348 GTB?
- The Ferrari 348 GTB uses a 5×108 mm lug pattern.
- What offset ET values are typical for Ferrari 348 GTB wheels?
- Offset ET values for the 348 GTB range from ET35 to ET45 depending on the wheel style and year.
- What is the center bore size for the Ferrari 348 GTB wheels?
- The center bore diameter for Ferrari 348 GTB wheels is 66.6 mm.
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 |