The Ram 2500, renowned for its robust performance and heavy-duty capabilities, is a heavy-duty truck that demands precision regarding wheel fitment. Understanding the Ram 2500 bolt pattern is paramount for a smooth and safe upgrade or customization. Today, we will uncover this topic together!
In this article:
What Is The Ram 2500 Wheel Bolt Pattern?
The Ram 2500 is typically equipped with wheels featuring an 8×165.1 mm or 8×6.5 Inches bolt pattern. This specification means there are eight lug holes evenly spaced around the wheel hub, and the distance between the center of one lug hole and the center of an opposite one measures 165.1 millimeters or 6.5 inches.
The 8-lug configuration provides several advantages, such as enhanced load capacity and improved stability. Whether you’re using your Ram 2500 for towing heavy trailers or off-road adventures, the 8-bolt design ensures your current wheels can withstand the demands you place on them.
Ram 2500 Wheel Specs On Every Model And Generation
The Ram 2500, a stalwart in the world of heavy-duty trucks, is a symbol of power, versatility, and reliability. According to our experience, Ram 2500 models produced in 2010 or earlier are called Dodge Ram 2500. We will provide you with insights on the common bolt patterns found on various models from 1994 below to make informed decisions.
Dodge Ram 2500 (1994-2010)
Dodge Ram 2500 BR/BE 1994 – 2002
- Center bore diameter: 121.3 mm
- Bolt pattern: 8×165.1 (8×6.5)
- Bolt thread size: 9/16” – 18 UNF
- Torque specification: Unknown
- Wheel fasteners: Lug nut
- Rim size range & tire dimensions:
| Sale Regions | Engine Choices | Tire Size | Rim Size |
| USA+ | 5.2L V8 Petrol, 5.9L I6 Diesel, 5.9L V8 Petrol, or 10L V10 Petrol | 225/75R16, 245/75R16, or 265/75R16 | 6.5Jx16 ET19, 7.5Jx16 ET31, or 8Jx16 ET43 |
Dodge Ram 2500 DR/DH 2003 – 2009
- Center bore diameter: 121.3 mm
- Bolt pattern: 8×165.1 (8×6.5)
- Bolt thread size: 9/16” – 18 UNF
- Torque specification: Unknown
- Wheel fasteners: Lug nut
- Rim size range & tire dimensions:
| Sale Regions | Engine Choices | Tire Size | Rim Size |
| USA+ | 5.7L V8 Petrol | 245/70R17 or 265/70R17 | 7.5Jx17 ET45 or 8Jx17 ET43 |
| 5.9L I6 Diesel, 8.0L V10 Petrol, or 6.7 L I6 Diesel (2006 – 2009 models only) | 265/70R17 | 8Jx17 ET43 |
Dodge Ram 2500 DS/DJ 2010
- Center bore diameter: 121.3 mm
- Bolt pattern: 8×165.1 (8×6.5)
- Bolt thread size: 9/16” – 18 UNF
- Torque specification: Unknown
- Wheel fasteners: Lug nut
- Rim size range & tire dimensions:
| Sale Regions | Engine Choices | Tire Size | Rim Size |
| USA+ | 5.7 L, V8, Petrol | 245/70R17, 265/70R17, or 275/70R18 | 7.5Jx17 ET57, 8Jx17 ET42, or 8Jx18 ET43 |
| 6.7 L, I6, Diesel | 265/70R17, 275/70R18 or 285/60R20 | 8Jx17 ET42, 8Jx18 ET43 or 8Jx20 ET55 |
Ram 2500 (2011 – Present)
Dodge Ram 2500 DS/DJ 2011 – 2018
- Center bore diameter: 121.3 mm
- Bolt pattern: 8×165.1 (8×6.5)
- Bolt thread size: M14 x 1.5
- Torque specification: 160 – 200 Nm
- Wheel fasteners: Lug nut
- Rim size range & tire dimensions:
| Sale Regions | Engine Choices | OE Tire Size | OE Rim Size |
| USA+ | 5.7 L, V8, Petrol | LT275/70R18, LT265/70R17, LT265/70R17, or LT245/70R17 | 8Jx18 ET57.15, 8Jx17 ET43.2, 8Jx17 ET45.72, or 7.5Jx17 ET57 |
| 6.4L, V8, Petrol | LT275/70R18 or LT285/60R20 | 8Jx18 ET57.15, 8Jx20 ET54.65, | |
| 6.7L I6 Diesel | LT285/60R20, LT275/70R18, LT265/70R17, or LT265/70R17 | 8Jx20 ET54.65, 8Jx18 ET57.15, 8Jx17 ET43.2, or 8Jx17 ET42 |
Dodge Ram 2500 DS/DJ Facelift 2019 – Present
- Center bore diameter: 121.3 mm
- Bolt pattern: 8×165.1 (8×6.5)
- Bolt thread size: M14 x 1.5
- Torque specification: 176 Nm
- Wheel fasteners: Lug nut
- Rim size range & tire dimensions:
| Sale Regions | Engine Choices | Tire Size | Rim Size |
| USA+, Middle East, Central & South America, Mexico, Canada, Oceana | 6.4 L V8 Petrol or 6.7 L I6 Diesel | LT275/70R18 or LT245/70R17 | 8Jx18 ET57.15 or 7.5Jx17 ET57 |
Frequently Asked Questions
Will 8×180 Fit On 8×6.5?
No, an 8×180 bolt pattern will not fit on an 8×6.5 bolt pattern. These numbers represent two distinct and incompatible bolt patterns. The first, 8×180, denotes a wheel configuration with 8 lug holes spaced 180 millimeters apart. The second, 8×6.5, represents 8 lug holes with a spacing of 6.5 inches (approximately 165.1 mm).
Can You Adjust The Caster On Ram 2500?
Yes. Caster adjustment on a Ram 2500 typically involves altering the suspension components and may require specialized tools and expertise. Adjusting the caster can influence the vehicle’s steering stability and handling characteristics. It is recommended to consult with a qualified mechanic or alignment specialist for any adjustments, as it can affect your truck’s performance and safety.
The Bottom Line
Now, you know all about the wheel bolt pattern of your Ram 2500. Safety, performance, and aesthetics all hinge on getting this crucial detail right. Whether you’re upgrading for function or style, always double-check the exact bolt pattern for your truck’s model year and trim level. This way, you will get the perfect fitment and ensure optimal safety.
