Ford Power Stroke 7.3 specs: 4.051 x 4.358 in (102.9 x 110.7 mm) bore and stroke, shared by all 2 versions. Displacement, compression and factory ratings.
| Displacement | 444 ci |
|---|---|
| Cylinders | 8 |
| Bore | 4.051" |
| Stroke | 4.358" |
| Compression | 17.5:1 |
| Advertised power | 210–250 hp |
| Years | 1995–2003 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| Power Stroke 7.3 · 4.051" × 4.358" · 17.5:1 | 444 ci | 4.0512" × 4.3583" | 17.5:1 | 210–250 |
| 7.3L Power Stroke | 444 ci | 4.0512" × 4.3583" | — | 210–250 |
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.