1992 GMC 1500 Club Coupe Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1992 GMC 1500 Club Coupe, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 6x139.7 (6x5.5") |
|---|---|
| Lug Nut / Bolt Size | 14x1.5 |
| Center Bore (CB) | 78.1 mm |
| Offset (ET) | 20-30 |
| Torque Specs | 100 ft-lbs (135 Nm) |
Imperial Match: 6x139.7 is commonly referred to as 6x5.5" in US Standard.
1992 1500 Club Coupe — Year-Specific Fitment Context
The 1992 model year marks the beginning of the GMC 1500 Club Coupe's 6x139.7 bolt pattern era, which continued through 1999 (8 consecutive years). Wheels from any 1992–1999 GMC 1500 Club Coupe are cross-compatible with the 1992 model.
GMC 1500 Club Coupe Bolt Pattern by Year
The table below shows how the 1500 Club Coupe's wheel specifications have changed over the years. The 1992 model year is highlighted.
6x139.7 Pattern Context
This bolt pattern appears on 1067 vehicles in our current database and is considered common.
Examples of other vehicles using 6x139.7:
Expert Buying Guide for 1992 GMC 1500 Club Coupe
For your 1992 GMC 1500 Club Coupe, the 6x139.7 bolt pattern is shared with 1992–1999 models, ensuring broad wheel compatibility. The 78.1mm center bore is critical: aftermarket wheels with larger bores require hub-centric rings to prevent vibration and ensure proper load transfer. Offset must stay within 20–30mm; deviations risk rubbing or bearing stress. Always use 14x1.5 lug nuts with the correct seat type—factory wheels use conical (60-degree) seats, while aftermarket may differ. Mismatched seats cause loosening and wheel loss. Verify torque to 140 ft-lbs and re-torque after 50 miles.
Historical Fitment Data Reference
In our dataset, GMC 1500 Club Coupe appears from 1992 to 1999 (8 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: 50.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50 miles of driving to account for settling.
- ✅ Ensure aftermarket wheels have a bore ≥78.1mm; use hub-centric rings if larger.
- ✅ Avoid wheels with offset outside 20–30mm to prevent clearance issues and bearing wear.
- ⚠️ This fitment uses a wide offset range. Check brake clearance and fender clearance before buying wheels.
- ⚠️ Torque lugs in a star pattern to 100 ft-lbs (135 Nm), then re-check torque after 50-100 km (30-60 miles).
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1992 GMC 1500 Club Coupe — Frequently Asked Questions
What is the bolt pattern for a 1992 GMC 1500 Club Coupe?
The 1992 GMC 1500 Club Coupe uses a 6x139.7 bolt pattern (also called lug pattern or PCD). The center bore is 78.1mm and the offset is 20-30mm.
What other years of GMC 1500 Club Coupe have the same bolt pattern as the 1992?
The GMC 1500 Club Coupe uses the 6x139.7 pattern from 1992 through 1999. Wheels from any of these model years are dimensionally compatible with the 1992, provided the offset and center bore also match.
Will wheels from another GMC fit my 1992 1500 Club Coupe?
Only if they share the exact same 6x139.7 bolt pattern, a compatible offset, and a center bore equal to or larger than 78.1mm.
What lug nut size does the 1992 GMC 1500 Club Coupe use?
The 1992 GMC 1500 Club Coupe uses 14x1.5 lug nuts. Always verify the thread pitch and seat type (cone, ball, or flat) match your aftermarket wheels.
What is the PCD for a 1992 GMC 1500 Club Coupe?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1992 1500 Club Coupe, the PCD is 6x139.7.
Can I put aftermarket wheels on my 1992 GMC 1500 Club Coupe?
Absolutely. Just ensure the aftermarket wheels have a 6x139.7 bolt pattern, an offset near 20-30mm, and a center bore of at least 78.1mm (using hub rings if larger).
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