1993 Alfa Romeo 164 Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1993 Alfa Romeo 164, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 4x98 |
|---|---|
| Lug Nut / Bolt Size | B 12x1.25 |
| Center Bore (CB) | 58.1 mm |
| Offset (ET) | 40 |
| Torque Specs | 80 ft-lbs (108 Nm) |
1993 164 — Year-Specific Fitment Context
The 1993 Alfa Romeo 164 is in year 2 of 4 using the 4x98 pattern (1992–1995). Wheels from any 1992–1995 Alfa Romeo 164 are cross-compatible with the 1993 model.
Alfa Romeo 164 Bolt Pattern by Year
The table below shows how the 164's wheel specifications have changed over the years. The 1993 model year is highlighted.
Fitment Notes
The 1993 Alfa Romeo 164 has a bolt pattern of 4x98.
This means it is a 4 lug pattern with a circle diameter of 98mm. When shopping for aftermarket wheels, ensure the "lug pattern" or "PCD" matches these numbers.
Year-to-Year Fitment Context
In our dataset, Alfa Romeo 164 appears from 1992 to 1995 (4 model years).
Across recorded model years, this model generally keeps the same bolt pattern.
- Observed bolt-pattern variants for this model: 1
- Observed center-bore variants for this model: 1
- Observed lug-size variants for this model: 1
- Observed total offset span across years: 0.0 mm
4x98 Pattern Context
This bolt pattern appears on 35 vehicles in our current database and is considered uncommon.
Examples of other vehicles using 4x98:
1993 Alfa Romeo 164 — Frequently Asked Questions
What is the bolt pattern for a 1993 Alfa Romeo 164?
The 1993 Alfa Romeo 164 uses a 4x98 bolt pattern (also called lug pattern or PCD). The center bore is 58.1mm and the offset is 40mm.
What other years of Alfa Romeo 164 have the same bolt pattern as the 1993?
The Alfa Romeo 164 uses the 4x98 pattern from 1992 through 1995. Wheels from any of these model years are dimensionally compatible with the 1993, provided the offset and center bore also match.
Can I use spacers on my 1993 Alfa Romeo 164?
Yes, but ensure the wheel spacers match the 4x98 bolt pattern and 58.1mm center bore. Also verify that you have enough thread engagement for your B 12x1.25 hardware.
What is the PCD for a 1993 Alfa Romeo 164?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1993 164, the PCD is 4x98.
What lug nut size does the 1993 Alfa Romeo 164 use?
The 1993 Alfa Romeo 164 uses B 12x1.25 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
How tight should I torque the lug nuts on a 1993 Alfa Romeo 164?
Refer to your owner's manual for exact specs, but always tighten the B 12x1.25 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
Fitment Checklist Before You Buy Wheels
- Verify thread pitch before installation; M12x1.25 and M12x1.5 are not interchangeable.
- Torque lugs in a star pattern to 80 ft-lbs (108 Nm), then re-check torque after 50-100 km (30-60 miles).
- This bolt pattern is less common in our dataset. Verify wheel availability and hub specs before ordering.
Editorial Fitment Notes
Alfa Romeo 164 is generally consistent in bolt-pattern records across model years, but offset and hardware should still be validated before purchase.
- Observed production years in our database: 1992-1995 (4 model years).
- Observed bolt-pattern variants: 1 (4x98).
- Observed total offset span across years: 0.0 mm.
- Observed center-bore variants: 1 | lug-size variants: 1.
Data Quality & Review
Source note: Compiled from manufacturer fitment references, historical wheel data, and internal normalization rules.
Last reviewed: 2026-05-26 | Reviewed by: Bolt Pattern HQ Editorial Team
If you find a discrepancy for 1993 Alfa Romeo 164, please report it via our About page contact so we can verify and update this record.