1994 Alfa Romeo Spider Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1994 Alfa Romeo Spider, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x98 |
|---|---|
| Lug Nut / Bolt Size | B 12x1.25 |
| Center Bore (CB) | 58.1 mm |
| Offset (ET) | 35 |
| Torque Specs | 80 ft-lbs (108 Nm) |
1994 Spider — Year-Specific Fitment Context
The 1994 is the only model year of the Alfa Romeo Spider in our database using the 5x98 bolt pattern. Note: the 1993 model used a different pattern (5x110), so its wheels are NOT interchangeable with the 1994. Across its full production run (1992–1994), the Spider has also used: 5x110.
Alfa Romeo Spider Bolt Pattern by Year
The table below shows how the Spider's wheel specifications have changed over the years. The 1994 model year is highlighted.
5x98 Pattern Context
This bolt pattern appears on 30 vehicles in our current database and is considered uncommon.
Examples of other vehicles using 5x98:
Expert Buying Guide for 1994 Alfa Romeo Spider
For your 1994 Alfa Romeo Spider, the bolt pattern is 5x98, unique to this year (1993 used 5x110). The center bore is 58.1mm; aftermarket wheels with a larger bore require hub-centric rings to prevent vibrations. Offset is critical: stick to 35mm ±5mm to avoid rubbing or clearance issues. Always use lug nuts with the correct thread pitch (12x1.25) and seat type (cone or ball seat as per wheel design). Never mix lug nut types. Re-torque after 50-100 miles. Verify wheel compatibility with your specific Spider model to ensure safety.
Historical Fitment Data Reference
In our dataset, Alfa Romeo Spider appears from 1992 to 1994 (3 model years). Across model years, this model appears with 2 bolt patterns (5x110, 5x98).
- Observed bolt-pattern variants for this model: 2
- Observed center-bore variants for this model: 2
- Observed lug-size variants for this model: 2
- Observed total offset span across years: 75.0 mm
Quick Tips & Safety Warnings
- ✅ Use hub-centric rings if aftermarket wheels have a bore larger than 58.1mm to prevent vibrations.
- ✅ Re-torque lug nuts to 85-95 ft-lbs after 50-100 miles of driving.
- ✅ Double-check that wheels are not from a 1993 Spider (5x110) as they will not fit.
- ⚠️ 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 model has multiple bolt-pattern records across years. Match wheels to exact year/trim before purchase.
- ⚠️ This bolt pattern is less common in our dataset. Verify wheel availability and hub specs before ordering.
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1994 Alfa Romeo Spider — Frequently Asked Questions
What is the bolt pattern for a 1994 Alfa Romeo Spider?
The 1994 Alfa Romeo Spider uses a 5x98 bolt pattern (also called lug pattern or PCD). The center bore is 58.1mm and the offset is 35mm.
Can I use 1993 Alfa Romeo Spider wheels on a 1994?
No. The 1993 Spider used a 5x110 bolt pattern, which differs from the 1994's 5x98. They are not interchangeable.
How do I measure the bolt pattern on my 1994 Alfa Romeo?
The 1994 Spider uses a 5x98 pattern. For 4, 6, or 8-lug wheels, measure center-to-center across opposite holes. For 5-lug, measure from the center of one hole to the back of the opposite hole.
What is the center bore of a 1994 Alfa Romeo Spider?
The factory center bore (hub bore) for the 1994 Alfa Romeo Spider is 58.1mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Do 1994 Alfa Romeo Spiders use lug bolts or lug nuts?
The 1994 Spider requires B 12x1.25 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What lug nut size does the 1994 Alfa Romeo Spider use?
The 1994 Alfa Romeo Spider uses B 12x1.25 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
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