1994 Chevrolet S10 Blazer 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 S10 Blazer, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x120.65 (5x4.75") |
|---|---|
| Lug Nut / Bolt Size | 12x1.5 |
| Center Bore (CB) | 70.3 mm |
| Offset (ET) | 0-13 |
| Torque Specs | 80 ft-lbs (108 Nm) |
Imperial Match: 5x120.65 is commonly referred to as 5x4.75" in US Standard.
1994 S10 Blazer — Year-Specific Fitment Context
The 1994 model year is the final year of the Chevrolet S10 Blazer's 5x120.65 bolt pattern run (since 1992). Wheels from any 1992–1994 Chevrolet S10 Blazer are cross-compatible with the 1994 model.
Chevrolet S10 Blazer Bolt Pattern by Year
The table below shows how the S10 Blazer's wheel specifications have changed over the years. The 1994 model year is highlighted.
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 1994 Chevrolet S10 Blazer
For your 1994 Chevrolet S10 Blazer, the 5x120.65mm bolt pattern is critical. The 70.3mm center bore requires hub-centric rings for aftermarket wheels to prevent vibration and ensure proper load distribution. Offset must stay within 0-13mm; deviations risk rubbing or bearing damage. Use 12x1.5 lug nuts with the correct seat type: factory wheels use a conical (60-degree) seat, while aftermarket may require ball or shank-style nuts. Always verify lug nut engagement—at least 6 full turns. Mismatched thread pitch or seat type can cause wheel detachment. Safety first: improper fitment compromises handling and braking.
Historical Fitment Data Reference
In our dataset, Chevrolet S10 Blazer appears from 1992 to 1994 (3 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: 13.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 90-100 ft-lbs after 50 miles of driving to account for settling.
- ✅ Avoid wheels with a center bore larger than 70.3mm without hub rings; even 0.5mm mismatch causes vibration.
- ✅ Check brake caliper clearance: some aftermarket wheels may contact the caliper due to the tight offset range.
- ⚠️ 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).
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1994 Chevrolet S10 Blazer — Frequently Asked Questions
What is the bolt pattern for a 1994 Chevrolet S10 Blazer?
The 1994 Chevrolet S10 Blazer uses a 5x120.65 bolt pattern (also called lug pattern or PCD). The center bore is 70.3mm and the offset is 0-13mm.
What other years of Chevrolet S10 Blazer have the same bolt pattern as the 1994?
The Chevrolet S10 Blazer uses the 5x120.65 pattern from 1992 through 1994. Wheels from any of these model years are dimensionally compatible with the 1994, provided the offset and center bore also match.
Do 1994 Chevrolet S10 Blazers use lug bolts or lug nuts?
The 1994 S10 Blazer requires 12x1.5 hardware. Check your specific trim to ensure you use the correct conical or spherical seating.
What is the center bore of a 1994 Chevrolet S10 Blazer?
The factory center bore (hub bore) for the 1994 Chevrolet S10 Blazer is 70.3mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
What is the factory wheel offset for a 1994 Chevrolet S10 Blazer?
The OEM offset for the 1994 S10 Blazer is typically around 0-13mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
Can I use spacers on my 1994 Chevrolet S10 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 12x1.5 hardware.
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