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Jeep Hurricane 4 Turbo specs: 122 ci (2.0L) 4-cylinder, 3.307 x 3.543 in (84 x 90 mm) bore and stroke. Rated 324 hp, 2026. Used in the Jeep Grand Cherokee.
The Jeep Hurricane 4 Turbo is undersquare — the 3.5433" stroke exceeds the 3.3071" bore by 6.7% — a layout that trades peak RPM for leverage and torque low in the range. The 3.5433" stroke puts mean piston speed at 4,000 ft/min around 6,750 RPM, which is where a production bottom end is generally considered at its limit. Each of the 4 cylinders displaces 30.5 ci (500 cc).
It is one of 4 engines in the Hurricane family, the smallest at 122 ci.
| Displacement | 122 ci / 2 L |
|---|---|
| Bore | 3.3071" |
| Stroke | 3.5433" |
| Cylinders | 4 |
| Configuration | I4 |
| Bore/stroke ratio | 0.933 |
| Block material | aluminum |
|---|---|
| Head material | aluminum |
| Valvetrain | DOHC |
| Fuel type | gas |
| Advertised HP | 324 hp |
| Years | 2026 |
| Bore/stroke character | 0.933 — undersquare — stroke exceeds bore, which favours low-end torque |
|---|---|
| Mean piston speed at 6,000 RPM | 3,543 ft/min — in the range typical of performance street engines |
| Displacement per cylinder | 30.5 ci |
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