1994 Chevrolet Impala Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1994 Chevrolet Impala, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x127 (5x5") |
|---|---|
| Lug Nut / Bolt Size | N 12x1.50 |
| Center Bore (CB) | 78.3 mm |
| Offset (ET) | 8 |
| Torque Specs | 80 ft-lbs (108 Nm) |
Imperial Match: 5x127 is commonly referred to as 5x5" in US Standard.
1994 Impala — Year-Specific Fitment Context
The 1994 model year marks the beginning of the Chevrolet Impala's 5x127 bolt pattern era, which continued through 1996 (3 consecutive years). Wheels from any 1994–1996 Chevrolet Impala are cross-compatible with the 1994 model. Across its full production run (1994–2020), the Impala has also used: 5x115, 5x120.
Chevrolet Impala Bolt Pattern by Year
The table below shows how the Impala's wheel specifications have changed over the years. The 1994 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| ▸ 1994 | 5x127 | 78.3 | 8 |
| 1995 | 5x127 | 78.3 | 8 |
| 1996 | 5x127 | 78.3 | 8 |
| 2000 | 5x115 | 70.3 | 44 |
| 2001 | 5x115 | 70.3 | 44 |
| 2002 | 5x115 | 70.3 | 44 |
| 2003 | 5x115 | 70.3 | 44 |
| 2004 | 5x115 | 70.3 | 44 |
| 2005 | 5x115 | 70.3 | 44 |
| 2006 | 5x115 | 70.3 | 44 |
| 2007 | 5x115 | 70.3 | 44 |
| 2008 | 5x115 | 70.3 | 44 |
| 2009 | 5x115 | 70.3 | 44 |
| 2010 | 5x115 | 70.3 | 44 |
| 2011 | 5x115 | 70.3 | 44 |
| 2012 | 5x120 | 66.9 | 42 |
| 2013 | 5x120 | 66.9 | 42 |
| 2014 | 5x120 | 66.9 | 42 |
| 2015 | 5x120 | 66.9 | 42 |
| 2016 | 5x120 | 66.9 | 42 |
| 2017 | 5x120 | 66.9 | 42 |
| 2018 | 5x120 | 66.9 | 42 |
| 2019 | 5x120 | 66.9 | 40 |
| 2020 | 5x120 | 66.9 | 40 |
5x127 Pattern Context
This bolt pattern appears on 236 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x127:
Expert Buying Guide for 1994 Chevrolet Impala
For your 1994 Chevrolet Impala, the 5x127 bolt pattern is shared with 1994–1996 models, ensuring cross-compatibility. The 78.3mm center bore is critical: aftermarket wheels often have a larger bore, requiring hub-centric rings to prevent vibration and ensure proper load transfer. Offset is sensitive; the factory spec is 8mm, but a range of 0–15mm is acceptable. Exceeding this may cause rubbing or clearance issues. Always use lug nuts with the correct thread pitch (12x1.50) and seat type (cone or ball seat matching the wheel). Mismatched lug nuts can lead to wheel detachment. Re-torque after 50–100 miles to maintain clamping force.
Historical Fitment Data Reference
In our dataset, Chevrolet Impala appears from 1994 to 2020 (24 model years). Across model years, this model appears with 3 bolt patterns (5x115, 5x120, 5x127).
- Observed bolt-pattern variants for this model: 3
- Observed center-bore variants for this model: 3
- Observed lug-size variants for this model: 3
- Observed total offset span across years: 36.0 mm
Quick Tips & Safety Warnings
- ✅ Always use hub-centric rings if aftermarket wheels have a bore larger than 78.3mm to prevent vibration.
- ✅ Re-torque lug nuts to 100 ft-lbs after 50–100 miles of driving to ensure proper seating.
- ✅ Verify offset stays within 0–15mm; negative offsets may cause fender rubbing on this generation.
- ⚠️ 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.
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1994 Chevrolet Impala — Frequently Asked Questions
What is the bolt pattern for a 1994 Chevrolet Impala?
The 1994 Chevrolet Impala uses a 5x127 bolt pattern (also called lug pattern or PCD). The center bore is 78.3mm and the offset is 8mm.
What other years of Chevrolet Impala have the same bolt pattern as the 1994?
The Chevrolet Impala uses the 5x127 pattern from 1994 through 1996. Wheels from any of these model years are dimensionally compatible with the 1994, provided the offset and center bore also match.
What does 8mm offset mean for the 1994 Impala?
An offset of 8mm means the wheel's mounting surface is 8mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Chevrolet.
How tight should I torque the lug nuts on a 1994 Chevrolet Impala?
Refer to your owner's manual for exact specs, but always tighten the N 12x1.50 hardware in a star or crisscross pattern. Re-torque after the first 50 miles of driving.
Do 1994 Chevrolet Impalas use lug bolts or lug nuts?
The 1994 Impala requires N 12x1.50 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the center bore of a 1994 Chevrolet Impala?
The factory center bore (hub bore) for the 1994 Chevrolet Impala is 78.3mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
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