Land Rover 305ci specs: 92.5 x 93 mm (3.6417 x 3.6614 in) bore and stroke, shared by all 2 versions. Displacement, compression and factory ratings.
| Displacement | 305 ci |
|---|---|
| Cylinders | 8 |
| Bore | 3.642" |
| Stroke | 3.661" |
| Compression | 9.5–11.5:1 |
| Advertised power | 375–557 hp |
| Years | 2010–2026 |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| AJ133 supercharged | 305 ci | 3.6417" × 3.6614" | 9.5:1 | 510–557 |
| AJ133 | 305 ci | 3.6417" × 3.6614" | 11.5:1 | 375 |
Compression spans 9.5:1 to 11.5:1, so fuel requirements differ meaningfully between members — worth checking before assuming parts interchange.
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.