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Honda H-series specs: 2.2L (132 ci) 4-cylinder, 87 x 90.7 mm (3.4252 x 3.5709 in) bore and stroke, 10.6:1 compression. Rated 190-200 hp. DOHC.
The Honda H-series is close to square: 3.4252" bore against 3.5709" stroke, within 4.1%, which splits the difference between a high-revving layout and a torque layout. The 3.5709" stroke puts mean piston speed at 4,000 ft/min around 6,700 RPM, which is where a production bottom end is generally considered at its limit. Each of the 4 cylinders displaces 33.0 ci (541 cc).
10.6:1 on aluminum heads is in the range that usually runs on pump premium; aluminum sheds heat faster than iron, which makes the same number a little more forgiving.
It is one of 4 engines in the H-series family, the smallest at 132 ci. 2 factory variants share these dimensions, rated from 190 to 200 hp. Factory fitments include the Honda Prelude Si VTEC (JDM), Honda Prelude VTEC (USDM), Honda Prelude Type S (JDM) and 2 others.
| Displacement | 132 ci / 2.2 L |
|---|---|
| Bore | 3.4252" |
| Stroke | 3.5709" |
| Cylinders | 4 |
| Compression ratio | 10.6:1 |
| Bore/stroke ratio | 0.959 |
| Block material | aluminum |
|---|---|
| Head material | aluminum |
| Valvetrain | DOHC |
| Fuel type | gas |
| Advertised HP | 190–200 hp |
| Bore/stroke character | 0.959 — square — bore and stroke are within 5%, a balanced compromise |
|---|---|
| Mean piston speed at 6,000 RPM | 3,571 ft/min — in the range typical of performance street engines |
| Displacement per cylinder | 33.0 ci |
| Static compression | 10.6:1 — in the range that usually runs on pump premium |
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 |
|---|---|---|
| — | 190 hp | H22A, H22A1 |
| — | 200 hp | H22A (Red Top), H22A4 (SH) |