1997 GMC Savana 2500 Cargo Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1997 GMC Savana 2500 Cargo, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 8x165.1 (8x6.5") |
|---|---|
| Lug Nut / Bolt Size | 14x1.5 |
| Center Bore (CB) | 116.7 mm |
| Offset (ET) | 28 |
| Torque Specs | 140 ft-lbs (190 Nm) |
Imperial Match: 8x165.1 is commonly referred to as 8x6.5" in US Standard.
1997 Savana 2500 Cargo — Year-Specific Fitment Context
The 1997 GMC Savana 2500 Cargo is in year 2 of 15 using the 8x165.1 pattern (1996–2010). Wheels from any 1996–2010 GMC Savana 2500 Cargo are cross-compatible with the 1997 model. Across its full production run (1996–2024), the Savana 2500 Cargo has also used: 8x180.
GMC Savana 2500 Cargo Bolt Pattern by Year
The table below shows how the Savana 2500 Cargo's wheel specifications have changed over the years. The 1997 model year is highlighted.
| Year | Bolt Pattern | Center Bore | Offset |
|---|---|---|---|
| 1996 | 8x165.1 | 116.7 | 28 |
| ▸ 1997 | 8x165.1 | 116.7 | 28 |
| 1998 | 8x165.1 | 116.7 | 28 |
| 1999 | 8x165.1 | 116.7 | 28 |
| 2000 | 8x165.1 | 116.7 | 28 |
| 2001 | 8x165.1 | 116.7 | 28 |
| 2002 | 8x165.1 | 116.7 | 28 |
| 2003 | 8x165.1 | 116.7 | 28 |
| 2004 | 8x165.1 | 116.7 | 28 |
| 2005 | 8x165.1 | 116.7 | 28 |
| 2006 | 8x165.1 | 116.7 | 28 |
| 2007 | 8x165.1 | 116.7 | 28 |
| 2008 | 8x165.1 | 116.7 | 28 |
| 2009 | 8x165.1 | 116.7 | 28 |
| 2010 | 8x165.1 | 116.7 | 28 |
| 2011 | 8x180 | 124.9 | 44 |
| 2012 | 8x180 | 124.9 | 44 |
| 2013 | 8x180 | 124.9 | 44 |
| 2014 | 8x180 | 124.9 | 44 |
| 2015 | 8x180 | 124.9 | 44 |
| 2016 | 8x180 | 124.9 | 44 |
| 2017 | 8x180 | 124.9 | 44 |
| 2018 | 8x180 | 124.9 | 44 |
| 2019 | 8x180 | 124.9 | 44 |
| 2021 | 8x180 | 124.9 | 44 |
| 2022 | 8x180 | 124.9 | 44 |
| 2023 | 8x180 | 124.9 | 44 |
| 2024 | 8x180 | 124.9 | 44 |
8x165.1 Pattern Context
This bolt pattern appears on 846 vehicles in our current database and is considered common.
Examples of other vehicles using 8x165.1:
Expert Buying Guide for 1997 GMC Savana 2500 Cargo
For your 1997 GMC Savana 2500 Cargo, the 8x165.1 bolt pattern is shared with 1996–2010 models, but the center bore is critical: 116.7mm. Aftermarket wheels often have a larger bore (e.g., 78.1mm or 108mm), requiring hub-centric rings to prevent vibration and ensure load is on the hub, not the lugs. Offset is sensitive; the factory range is around 28mm. Deviating significantly may cause rubbing or clearance issues. Always use the correct lug nuts: 14x1.5 thread pitch with a conical (60-degree) seat. Never use ball-seat lug nuts, as they can loosen. Re-torque after 50–100 miles to maintain clamping force.
Historical Fitment Data Reference
In our dataset, GMC Savana 2500 Cargo appears from 1996 to 2024 (28 model years). Across model years, this model appears with 2 bolt patterns (8x165.1, 8x180).
- Observed bolt-pattern variants for this model: 2
- Observed center-bore variants for this model: 2
- Observed lug-size variants for this model: 1
- Observed total offset span across years: 16.0 mm
Quick Tips & Safety Warnings
- ✅ Use hub-centric rings with aftermarket wheels to match the 116.7mm center bore; avoid lug-centric mounting.
- ✅ Stick to offset near 28mm; offsets beyond 0mm or +50mm may require spacers or cause rubbing.
- ✅ Re-torque lug nuts to 140 ft-lb after 50 miles of driving to ensure proper seating.
- ⚠️ Torque lugs in a star pattern to 140 ft-lbs (190 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 GMC Savana 2500 Cargo — Frequently Asked Questions
What is the bolt pattern for a 1997 GMC Savana 2500 Cargo?
The 1997 GMC Savana 2500 Cargo uses a 8x165.1 bolt pattern (also called lug pattern or PCD). The center bore is 116.7mm and the offset is 28mm.
What other years of GMC Savana 2500 Cargo have the same bolt pattern as the 1997?
The GMC Savana 2500 Cargo uses the 8x165.1 pattern from 1996 through 2010. Wheels from any of these model years are dimensionally compatible with the 1997, provided the offset and center bore also match.
Will wheels from another GMC fit my 1997 Savana 2500 Cargo?
Only if they share the exact same 8x165.1 bolt pattern, a compatible offset, and a center bore equal to or larger than 116.7mm.
What is the factory wheel offset for a 1997 GMC Savana 2500 Cargo?
The OEM offset for the 1997 Savana 2500 Cargo is typically around 28mm. Depending on wheel width, a deviation of ±5mm is usually acceptable, but verify suspension clearance.
Why is matching the 116.7mm center bore important for the 1997 Savana 2500 Cargo?
The 116.7mm center bore ensures the wheel is perfectly centered on the hub. If the wheel is lug-centric instead of hub-centric, you may experience steering wheel vibration at highway speeds.
Can I use spacers on my 1997 GMC Savana 2500 Cargo?
Yes, but ensure the wheel spacers match the 8x165.1 bolt pattern and 116.7mm center bore. Also verify that you have enough thread engagement for your 14x1.5 hardware.
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