1998 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 1998 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.
1998 Blazer — Year-Specific Fitment Context
The 1998 Chevrolet Blazer is in year 7 of 14 using the 5x120.65 pattern (1992–2005). Wheels from any 1992–2005 Chevrolet Blazer are cross-compatible with the 1998 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 1998 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 1998 Chevrolet Blazer
For your 1998 Chevrolet Blazer, the 5x120.65 bolt pattern is shared with 1992–2005 models, ensuring cross-compatibility. The 70.3mm center bore is critical: aftermarket wheels with larger bores require hub-centric rings to prevent vibration and load stress. Offset is sensitive; the factory 10mm offset means deviations beyond ±5mm may cause rubbing or clearance issues. Always use lug nuts with the correct 12x1.50 thread pitch and a 60-degree conical seat—mismatched seats (e.g., ball or flat) can lead to wheel loosening. Re-torque after 50–100 miles to maintain clamping force.
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-lb after 50–100 miles of driving to ensure proper seating.
- ✅ When using aftermarket wheels, verify hub-centric ring inner diameter matches 70.3mm; otherwise, vibrations may occur.
- ✅ Avoid wheels with offset less than 5mm or greater than 15mm to prevent tire rubbing on suspension or 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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1998 Chevrolet Blazer — Frequently Asked Questions
What is the bolt pattern for a 1998 Chevrolet Blazer?
The 1998 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 1998?
The Chevrolet Blazer uses the 5x120.65 pattern from 1992 through 2005. Wheels from any of these model years are dimensionally compatible with the 1998, provided the offset and center bore also match.
What is the factory wheel offset for a 1998 Chevrolet Blazer?
The OEM offset for the 1998 Blazer is typically around 10mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
Will wheels from another Chevrolet fit my 1998 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.
Can I put aftermarket wheels on my 1998 Chevrolet Blazer?
Absolutely. Just ensure the aftermarket wheels have a 5x120.65 bolt pattern, an offset near 10mm, and a center bore of at least 70.3mm (using hub rings if larger).
Can I use spacers on my 1998 Chevrolet Blazer?
Yes, but ensure the wheel spacers match the 5x120.65 bolt pattern and 70.3mm center bore. Also verify that you have enough thread engagement for your N 12x1.50 hardware.
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