1998 Dodge Ram Wagon 2500 Bolt Pattern
Checking fitment for your vehicle? Below you will find the factory bolt pattern (also known as the lug pattern) for the 1998 Dodge Ram Wagon 2500, along with offset and center bore data.
| Bolt Pattern (Lug Pattern) | 8x165.1 (8x6.5") |
|---|---|
| Lug Nut / Bolt Size | N 9/16" (18 UNF) |
| Center Bore (CB) | 120.9 mm |
| Offset (ET) | 25 |
| Torque Specs | 140 ft-lbs (190 Nm) |
Imperial Match: 8x165.1 is commonly referred to as 8x6.5" in US Standard.
1998 Ram Wagon 2500 — Year-Specific Fitment Context
The 1998 Dodge Ram Wagon 2500 is in year 4 of 8 using the 8x165.1 pattern (1995–2002). Wheels from any 1995–2002 Dodge Ram Wagon 2500 are cross-compatible with the 1998 model.
Dodge Ram Wagon 2500 Bolt Pattern by Year
The table below shows how the Ram Wagon 2500's wheel specifications have changed over the years. The 1998 model year is highlighted.
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 1998 Dodge Ram Wagon 2500
For your 1998 Dodge Ram Wagon 2500, the 8x165.1 bolt pattern is shared with 1995–2002 models, but the 120.9mm center bore is critical. Aftermarket wheels often have a larger bore (e.g., 130.1mm), requiring hub-centric rings to prevent vibration and ensure load is on the hub, not the lugs. Offset is sensitive: stock is 25mm; deviations beyond ±10mm may cause rubbing or clearance issues. Always verify lug nut thread pitch: 9/16"-18 UNF. Use correct seat type—factory uses cone seat; aftermarket may require ball seat or shank-style nuts. Improper lug nuts can lead to wheel loss. Re-torque after 50 miles of driving.
Historical Fitment Data Reference
In our dataset, Dodge Ram Wagon 2500 appears from 1995 to 2002 (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: 0.0 mm
Quick Tips & Safety Warnings
- ✅ Re-torque lug nuts to 135-145 ft-lbs after 50 miles of driving, then periodically check.
- ✅ If using aftermarket wheels, ensure hub-centric rings are installed to match the 120.9mm center bore.
- ✅ Avoid using wheels from pre-1995 or post-2002 Dodge Rams; they may have different bolt patterns or offsets.
- ⚠️ Torque lugs in a star pattern to 140 ft-lbs (190 Nm), then re-check torque after 50-100 km (30-60 miles).
Ready to upgrade or perform maintenance?
🛒 Shop Tools & Accessories on AmazonAs an Amazon Associate, I earn from qualifying purchases.
1998 Dodge Ram Wagon 2500 — Frequently Asked Questions
What is the bolt pattern for a 1998 Dodge Ram Wagon 2500?
The 1998 Dodge Ram Wagon 2500 uses a 8x165.1 bolt pattern (also called lug pattern or PCD). The center bore is 120.9mm and the offset is 25mm.
What other years of Dodge Ram Wagon 2500 have the same bolt pattern as the 1998?
The Dodge Ram Wagon 2500 uses the 8x165.1 pattern from 1995 through 2002. Wheels from any of these model years are dimensionally compatible with the 1998, provided the offset and center bore also match.
What is the PCD for a 1998 Dodge Ram Wagon 2500?
PCD stands for Pitch Circle Diameter, which is the same as the bolt pattern. For the 1998 Ram Wagon 2500, the PCD is 8x165.1.
How do I measure the bolt pattern on my 1998 Dodge?
The 1998 Ram Wagon 2500 uses a 8x165.1 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.
Why is matching the 120.9mm center bore important for the 1998 Ram Wagon 2500?
The 120.9mm 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.
What is the center bore of a 1998 Dodge Ram Wagon 2500?
The factory center bore (hub bore) for the 1998 Dodge Ram Wagon 2500 is 120.9mm. If your aftermarket wheels have a larger hub bore, you will need hub-centric rings to prevent vibration.
Need more vehicle fitment data?
Access our complete, raw JSON/CSV database of over 11,000+ vehicles for your next app or project.
Get the Full Dataset