1999 Oldsmobile LSS Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1999 Oldsmobile LSS, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 5x115 |
|---|---|
| Lug Nut / Bolt Size | N 12x1.50 |
| Center Bore (CB) | 70.3 mm |
| Offset (ET) | 47 |
| Torque Specs | 80 ft-lbs (108 Nm) |
1999 LSS — Year-Specific Fitment Context
The 1999 model year is the final year of the Oldsmobile LSS's 5x115 bolt pattern run (since 1997). Wheels from any 1997–1999 Oldsmobile LSS are cross-compatible with the 1999 model.
Oldsmobile LSS Bolt Pattern by Year
The table below shows how the LSS's wheel specifications have changed over the years. The 1999 model year is highlighted.
5x115 Pattern Context
This bolt pattern appears on 498 vehicles in our current database and is considered moderately common.
Examples of other vehicles using 5x115:
Expert Buying Guide for 1999 Oldsmobile LSS
For your 1999 Oldsmobile LSS, the 5x115 bolt pattern and 70.3mm center bore are critical. Aftermarket wheels often have a larger center bore (e.g., 73.1mm), requiring hub-centric rings to prevent vibration and ensure proper load transfer. The stock offset is 47mm; deviations beyond ±5mm may cause rubbing or clearance issues. Always use lug nuts with the correct thread pitch (12x1.5) and seat type (cone or ball seat) matching your wheels. Improper lug nuts can lead to wheel loss. Verify that aftermarket wheels are hub-centric or use rings, and check offset carefully.
Historical Fitment Data Reference
In our dataset, Oldsmobile LSS appears from 1997 to 1999 (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: 0.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts after 50-100 miles of driving to ensure proper seating.
- ✅ Avoid wheels with a center bore smaller than 70.3mm; they won't fit without machining.
- ✅ If using aftermarket wheels, confirm they are compatible with the 47mm offset to prevent brake caliper or suspension interference.
- ⚠️ 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 Oldsmobile LSS — Frequently Asked Questions
What is the bolt pattern for a 1999 Oldsmobile LSS?
The 1999 Oldsmobile LSS uses a 5x115 bolt pattern (also called lug pattern or PCD). The center bore is 70.3mm and the offset is 47mm.
What other years of Oldsmobile LSS have the same bolt pattern as the 1999?
The Oldsmobile LSS uses the 5x115 pattern from 1997 through 1999. Wheels from any of these model years are dimensionally compatible with the 1999, provided the offset and center bore also match.
How do I measure the bolt pattern on my 1999 Oldsmobile?
The 1999 LSS uses a 5x115 pattern. For 4, 6, or 8-lug wheels, measure center-to-center across opposite holes. For 5-lug, measure from the center of one hole to the back of the opposite hole.
Will wheels from another Oldsmobile fit my 1999 LSS?
Only if they share the exact same 5x115 bolt pattern, a compatible offset, and a center bore equal to or larger than 70.3mm.
Can I use spacers on my 1999 Oldsmobile LSS?
Yes, but ensure the wheel spacers match the 5x115 bolt pattern and 70.3mm center bore. Also verify that you have enough thread engagement for your N 12x1.50 hardware.
What is the center bore of a 1999 Oldsmobile LSS?
The factory center bore (hub bore) for the 1999 Oldsmobile LSS is 70.3mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
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