Ram RB specs: 4.319 x 3.752 in (109.7 x 95.3 mm) bore and stroke, shared by all 2 versions. Displacement, compression and factory ratings, plus rod ratio.
| Displacement | 440 ci |
|---|---|
| Cylinders | 8 |
| Bore | 4.319" |
| Stroke | 3.752" |
| Compression | 8.2:1 |
| Advertised power | 235 hp |
| Years | 1974 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| 440 RB V8 | 440 ci | 4.3189" × 3.752" | 8.2:1 | 235 |
| RB 440 | 440 ci | 4.3189" × 3.752" | — | — |
All are oversquare — bore larger than stroke, which favours revs over low-end torque.
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.