1999 Chevrolet S10 Regular Cab Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1999 Chevrolet S10 Regular Cab, 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.
1999 S10 Regular Cab — Year-Specific Fitment Context
The 1999 Chevrolet S10 Regular Cab is in year 8 of 12 using the 5x120.65 pattern (1992–2003). Wheels from any 1992–2003 Chevrolet S10 Regular Cab are cross-compatible with the 1999 model.
Chevrolet S10 Regular Cab Bolt Pattern by Year
The table below shows how the S10 Regular Cab's wheel specifications have changed over the years. The 1999 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1992 | 5x120.65 | 70.3 | 0-13 |
| 1993 | 5x120.65 | 70.3 | 0-13 |
| 1994 | 5x120.65 | 70.3 | 0-13 |
| 1995 | 5x120.65 | 70.3 | 0-13 |
| 1996 | 5x120.65 | 70.3 | 0-13 |
| 1997 | 5x120.65 | 70.3 | 0-13 |
| 1998 | 5x120.65 | 70.3 | 0-13 |
| ▸ 1999 | 5x120.65 | 70.3 | 0-13 |
| 2000 | 5x120.65 | 70.3 | 0-13 |
| 2001 | 5x120.65 | 70.3 | 0-13 |
| 2002 | 5x120.65 | 70.3 | 0-13 |
| 2003 | 5x120.65 | 70.3 | 0-13 |
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 1999 Chevrolet S10 Regular Cab
For your 1999 Chevrolet S10 Regular Cab, 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 transfer. Offset must stay within 0-13mm; deviations can cause rubbing or bearing stress. Always use lug nuts with the correct 12x1.5 thread pitch and a 60-degree conical seat (factory spec). Avoid ball-seat or shank-style nuts. Torque to 100 ft-lbs and re-torque after 50 miles. Verify wheel clearance with suspension and brake components before final installation.
Historical Fitment Data Reference
In our dataset, Chevrolet S10 Regular Cab appears from 1992 to 2003 (12 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 100 ft-lbs after 50 miles of driving to account for settling.
- ✅ If using aftermarket wheels, ensure hub-centric rings (70.3mm ID to wheel's bore) are installed to prevent vibrations.
- ✅ Check for clearance between the wheel and brake calipers or suspension arms, especially with offset near 0mm.
- ⚠️ 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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1999 Chevrolet S10 Regular Cab — Frequently Asked Questions
What is the bolt pattern for a 1999 Chevrolet S10 Regular Cab?
The 1999 Chevrolet S10 Regular Cab 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 Regular Cab have the same bolt pattern as the 1999?
The Chevrolet S10 Regular Cab uses the 5x120.65 pattern from 1992 through 2003. Wheels from any of these model years are dimensionally compatible with the 1999, provided the offset and center bore also match.
Can I use spacers on my 1999 Chevrolet S10 Regular Cab?
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.
Will wheels from another Chevrolet fit my 1999 S10 Regular Cab?
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 is the PCD for a 1999 Chevrolet S10 Regular Cab?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1999 S10 Regular Cab, the PCD is 5x120.65.
What is the factory wheel offset for a 1999 Chevrolet S10 Regular Cab?
The OEM offset for the 1999 S10 Regular Cab is typically around 0-13mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
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