1992 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 1992 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) |
1992 164 — Year-Specific Fitment Context
The 1992 model year marks the beginning of the Alfa Romeo 164's 4x98 bolt pattern era, which continued through 1995 (4 consecutive years). Wheels from any 1992–1995 Alfa Romeo 164 are cross-compatible with the 1992 model.
Alfa Romeo 164 Bolt Pattern by Year
The table below shows how the 164's wheel specifications have changed over the years. The 1992 model year is highlighted.
4x98 Pattern Context
This bolt pattern appears on 35 vehicles in our current database and is considered uncommon.
Examples of other vehicles using 4x98:
Expert Buying Guide for 1992 Alfa Romeo 164
The 1992 Alfa Romeo 164 uses a 4x98 bolt pattern with a 58.1mm center bore. When selecting aftermarket wheels, hub-centric rings are mandatory to ensure proper load distribution and prevent vibrations. The factory offset is 40mm; deviations beyond ±5mm may cause rubbing or clearance issues. Always verify lug nut thread pitch (12x1.25) and seat type—use only ball-seat lug nuts for OEM wheels or cone-seat for aftermarket. Improper lug nuts can lead to wheel detachment. Stick to 15-16 inch diameters for optimal fitment.
Historical Fitment Data Reference
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
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50-100 miles of driving to maintain clamping force.
- ✅ Avoid using universal fit wheels without hub rings; the 58.1mm bore is critical for centering.
- ✅ Check inner clearance for brake calipers and suspension components when using lower offsets.
- ⚠️ 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.
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1992 Alfa Romeo 164 — Frequently Asked Questions
What is the bolt pattern for a 1992 Alfa Romeo 164?
The 1992 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 1992?
The Alfa Romeo 164 uses the 4x98 pattern from 1992 through 1995. Wheels from any of these model years are dimensionally compatible with the 1992, provided the offset and center bore also match.
What is the PCD for a 1992 Alfa Romeo 164?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1992 164, the PCD is 4x98.
Can I put aftermarket wheels on my 1992 Alfa Romeo 164?
Absolutely. Just ensure the aftermarket wheels have a 4x98 bolt pattern, an offset near 40mm, and a center bore of at least 58.1mm (using hub rings if larger).
Will wheels from another Alfa Romeo fit my 1992 164?
Only if they share the exact same 4x98 bolt pattern, a compatible offset, and a center bore equal to or larger than 58.1mm.
What is the factory wheel offset for a 1992 Alfa Romeo 164?
The OEM offset for the 1992 164 is typically around 40mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
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