Ram Hurricane specs: 3.307 x 3.543 in (84 x 90 mm) bore and stroke, shared by all 4 versions. Displacement, compression and factory ratings, plus rod ratio.
| Displacement | 183 ci |
|---|---|
| Cylinders | 6 |
| Bore | 3.307" |
| Stroke | 3.543" |
| Compression | 9.5–10.4:1 |
| Advertised power | 420–540 hp |
| Years | 2025–2026 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| GME T6 (Standard Output) | 183 ci | 3.3071" × 3.5433" | 10:1 | 420 |
| GME T6 (High Output) | 183 ci | 3.3071" × 3.5433" | 9.5:1 | 540 |
| GME T6 HO | 183 ci | 3.3071" × 3.5433" | 10.4:1 | 420–540 |
| Hurricane (2025–2026) | 183 ci | 3.3071" × 3.5433" | — | 420–540 |
All are undersquare — stroke larger than bore, favouring torque low in the range.
Each engine page carries rod ratio, mean piston speed, bore/stroke character and cylinder head specs where published, and links into the calculators with its dimensions already filled in.