2019 RAM 1500 Classic Wheel Backspacing
4.48 in · 4.75 in
Quick specs
- Backspacing
- 4.48 in · 4.75 in
- OEM offset
- ET25 · ET19
- Wheel size
- 7x17 · 8x20
- Bolt pattern
- 5×139.7
- Tire size
- 265/70R17 · 275/60R20
OEM configurations
| Configuration | Rim | Offset | Backspacing | Tire | Bolt pattern | Center bore | Thread |
|---|---|---|---|---|---|---|---|
| 3.0 D · 3.0L, V6, Diesel | 7x17 | ET25 | 4.48 in | 265/70R17 | 5x139.7 | 77.8 mm | M14 x 1.5 |
| 3.0 D · 3.0L, V6, Diesel | 8x20 | ET19 | 4.75 in | 275/60R20 | 5x139.7 | 77.8 mm | M14 x 1.5 |
| 3.6i · 3.6L, V6, Petrol | 7x17 | ET25 | 4.48 in | 265/70R17 | 5x139.7 | 77.8 mm | M14 x 1.5 |
| 3.6i · 3.6L, V6, Petrol | 8x20 | ET19 | 4.75 in | 275/60R20 | 5x139.7 | 77.8 mm | M14 x 1.5 |
| 5.7i · 5.7L, V8, Petrol | 7x17 | ET25 | 4.48 in | 265/70R17 | 5x139.7 | 77.8 mm | M14 x 1.5 |
| 5.7i · 5.7L, V8, Petrol | 8x20 | ET19 | 4.75 in | 275/60R20 | 5x139.7 | 77.8 mm | M14 x 1.5 |
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 2019 RAM 1500 Classic
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.