Bore, stroke, displacement and compression for all 2 Ram Pentastar engines. Compare variants side by side.
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| ERB | 220 ci | 3.7795" × 3.2677" | 10.2:1 | 305 |
| Pentastar · 3.780" × 3.268" · 11.3:1 | 220 ci | 3.7795" × 3.2677" | 11.3:1 | 305 |