2008 Dodge Ram 1500 Wheel Backspacing
4.48 in · 4.98 in · 4.79 in · 5.25 in
Quick specs
- Backspacing
- 4.48 in · 4.98 in · 4.79 in · 5.25 in
- OEM offset
- ET25 · ET20 · ET19
- Wheel size
- 7x17 · 8x17 · 8x20 · 9x20 · 9x22
- Bolt pattern
- 5×139.7
- Tire size
- 245/70R17 · 265/70R17 · 275/60R20 · 285/45R22
OEM configurations
| Configuration | Front | Rear | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|---|
| 3.7i · 3.7L, V6, Petrol | 7x17 | — | ET25 | 4.48 in | 245/70R17 | 5x139.7 | 77.8 mm | 9/16" - 18 UNF |
| 3.7i · 3.7L, V6, Petrol | 8x17 | — | ET25 | 4.98 in | 265/70R17 | 5x139.7 | 77.8 mm | 9/16" - 18 UNF |
| 3.7i · 3.7L, V6, Petrol | 8x20 | 9x20 | ET20 / ET26 | 4.79 in | 275/60R20 | 5x139.7 | 77.8 mm | 9/16" - 18 UNF |
| 3.7i · 3.7L, V6, Petrol | 9x20 | — | ET19 | 5.25 in | 275/60R20 | 5x139.7 | 77.8 mm | 9/16" - 18 UNF |
| 3.7i · 3.7L, V6, Petrol | 9x22 | — | ET19 | 5.25 in | 285/45R22 | 5x139.7 | 77.8 mm | 9/16" - 18 UNF |
| 4.7i · 4.7L, V8, Petrol | 7x17 | — | ET25 | 4.48 in | 245/70R17 | 5x139.7 | 77.8 mm | 9/16" - 18 UNF |
| 4.7i · 4.7L, V8, Petrol | 8x17 | — | ET25 | 4.98 in | 265/70R17 | 5x139.7 | 77.8 mm | 9/16" - 18 UNF |
| 4.7i · 4.7L, V8, Petrol | 8x20 | 9x20 | ET20 / ET26 | 4.79 in | 275/60R20 | 5x139.7 | 77.8 mm | 9/16" - 18 UNF |
| 4.7i · 4.7L, V8, Petrol | 9x20 | — | ET19 | 5.25 in | 275/60R20 | 5x139.7 | 77.8 mm | 9/16" - 18 UNF |
| 4.7i · 4.7L, V8, Petrol | 9x22 | — | ET19 | 5.25 in | 285/45R22 | 5x139.7 | 77.8 mm | 9/16" - 18 UNF |
| 5.7i · 5.7L, V8, Petrol | 7x17 | — | ET25 | 4.48 in | 245/70R17 | 5x139.7 | 77.8 mm | 9/16" - 18 UNF |
| 5.7i · 5.7L, V8, Petrol | 8x17 | — | ET25 | 4.98 in | 265/70R17 | 5x139.7 | 77.8 mm | 9/16" - 18 UNF |
| 5.7i · 5.7L, V8, Petrol | 8x20 | 9x20 | ET20 / ET26 | 4.79 in | 275/60R20 | 5x139.7 | 77.8 mm | 9/16" - 18 UNF |
| 5.7i · 5.7L, V8, Petrol | 9x20 | — | ET19 | 5.25 in | 275/60R20 | 5x139.7 | 77.8 mm | 9/16" - 18 UNF |
| 5.7i · 5.7L, V8, Petrol | 9x22 | — | ET19 | 5.25 in | 285/45R22 | 5x139.7 | 77.8 mm | 9/16" - 18 UNF |
Compare wheel position See wheel offset
Backspacing values above are calculated from OEM wheel width and offset using BS = width/2 + offset_mm/25.4 (same formula as the fitment calculator).
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More specs for the 2008 Dodge Ram 1500
Backspacing on these pages is calculated from OEM wheel width and offset (width/2 + offset_mm/25.4). Higher backspacing seats the wheel farther inward; lower backspacing moves it outward.