1997 Chevrolet Blazer Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1997 Chevrolet Blazer, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x120.65 (5x4.75") |
|---|---|
| Lug Nut / Bolt Size | N 12x1.50 |
| Center Bore (CB) | 70.3 mm |
| Offset (ET) | 10 |
| Torque Specs | 80 ft-lbs (108 Nm) |
Imperial Match: 5x120.65 is commonly referred to as 5x4.75" in US Standard.
1997 Blazer — Year-Specific Fitment Context
The 1997 Chevrolet Blazer is in year 6 of 14 using the 5x120.65 pattern (1992–2005). Wheels from any 1992–2005 Chevrolet Blazer are cross-compatible with the 1997 model. Across its full production run (1992–2024), the Blazer has also used: 6x120.
Chevrolet Blazer Bolt Pattern by Year
The table below shows how the Blazer's wheel specifications have changed over the years. The 1997 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1992 | 5x120.65 | 70.3 | 10 |
| 1993 | 5x120.65 | 70.3 | 10 |
| 1994 | 5x120.65 | 70.3 | 10 |
| 1995 | 5x120.65 | 70.3 | 10 |
| 1996 | 5x120.65 | 70.3 | 10 |
| ▸ 1997 | 5x120.65 | 70.3 | 10 |
| 1998 | 5x120.65 | 70.3 | 10 |
| 1999 | 5x120.65 | 70.3 | 10 |
| 2000 | 5x120.65 | 70.3 | 10 |
| 2001 | 5x120.65 | 70.3 | 10 |
| 2002 | 5x120.65 | 70.3 | 10 |
| 2003 | 5x120.65 | 70.3 | 10 |
| 2004 | 5x120.65 | 70.3 | 10 |
| 2005 | 5x120.65 | 70.3 | 10 |
| 2019 | 6x120 | 66.9 | 50 |
| 2020 | 6x120 | 66.9 | 50 |
| 2021 | 6x120 | 66.9 | 50 |
| 2022 | 6x120 | 66.9 | 50 |
| 2023 | 6x120 | 66.9 | 50 |
| 2024 | 6x120 | 66.9 | 50 |
5x120.65 Pattern Context
This bolt pattern appears on 202 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x120.65:
Expert Buying Guide for 1997 Chevrolet Blazer
For your 1997 Chevrolet Blazer, the 5x120.65 bolt pattern and 70.3mm center bore are critical. Aftermarket wheels often have a larger center bore, requiring hub-centric rings to prevent vibration and ensure proper load distribution. The offset is sensitive; a 10mm range is recommended to avoid rubbing or clearance issues. Always use lug nuts with the correct thread pitch (12x1.50) and seat type (conical/60-degree) to prevent loosening or damage. Avoid ball-seat lug nuts as they can cause wheel failure. Re-torque after 50-100 miles of driving.
Historical Fitment Data Reference
In our dataset, Chevrolet Blazer appears from 1992 to 2024 (20 model years). Across model years, this model appears with 2 bolt patterns (5x120.65, 6x120).
- 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: 40.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 100 ft-lbs after 50-100 miles of driving.
- ✅ Use hub-centric rings if aftermarket wheels have a bore larger than 70.3mm.
- ✅ Check offset carefully; 10mm range is safe, but verify clearance with suspension and fenders.
- ⚠️ 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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1997 Chevrolet Blazer — Frequently Asked Questions
What is the bolt pattern for a 1997 Chevrolet Blazer?
The 1997 Chevrolet Blazer uses a 5x120.65 bolt pattern (also called lug pattern or PCD). The center bore is 70.3mm and the offset is 10mm.
What other years of Chevrolet Blazer have the same bolt pattern as the 1997?
The Chevrolet Blazer uses the 5x120.65 pattern from 1992 through 2005. Wheels from any of these model years are dimensionally compatible with the 1997, provided the offset and center bore also match.
What is the factory wheel offset for a 1997 Chevrolet Blazer?
The OEM offset for the 1997 Blazer is typically around 10mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
What is the PCD for a 1997 Chevrolet Blazer?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1997 Blazer, the PCD is 5x120.65.
Will wheels from another Chevrolet fit my 1997 Blazer?
Only if they share the exact same 5x120.65 bolt pattern, a compatible offset, and a center bore equal to or larger than 70.3mm.
What does 10mm offset mean for the 1997 Blazer?
An offset of 10mm means the wheel's mounting surface is 10mm away from its centerline. Changing this value drastically can affect suspension geometry and wheel bearing wear on your Chevrolet.
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