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Nissan VQ35HR specs: 3.5L (213.5 ci) 6-cylinder, 95.5 x 81.4 mm (3.7598 x 3.2047 in) bore and stroke. Rated 306 hp, 2007–2009. Used in the Nissan Z. DOHC.
The Nissan VQ35HR is oversquare — the 3.7598" bore exceeds the 3.2047" stroke by 17.3% — a layout that favors airflow and RPM over leverage at the crank. The 3.2047" stroke does not reach 4,000 ft/min of mean piston speed until about 7,500 RPM, so piston speed is not what limits this engine's revs — valvetrain and breathing are. Each of the 6 cylinders displaces 35.6 ci (583 cc).
It is one of 14 engines in the VQ family, sitting between the 121.9 ci and 243.8 ci members. 3 factory variants share these dimensions, rated at 306 hp across 2007–2009.
| Displacement | 213.5 ci / 3.5 L |
|---|---|
| Bore | 3.7598" |
| Stroke | 3.2047" |
| Cylinders | 6 |
| Configuration | V6 |
| Bore/stroke ratio | 1.173 |
| Block material | aluminum |
|---|---|
| Head material | aluminum |
| Valvetrain | DOHC |
| Fuel type | gas |
| Advertised HP | 306 hp |
| Years | 2007–2009 |
| Bore/stroke character | 1.173 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
|---|---|
| Mean piston speed at 6,000 RPM | 3,205 ft/min — conservative for a street engine |
| Displacement per cylinder | 35.6 ci |
Each link opens the calculator with this engine's specs already filled in.
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
|---|---|---|
| 2007 | 306 hp | VQ35HR |
| 2008 | 306 hp | VQ35HR |
| 2009 | 306 hp | VQ35HR |