Bore, stroke, displacement and compression for all 13 Honda J-series V6 engines, compared side by side. Plus rod ratio and head specs where published.
| Displacement | 152.6–224.6 ci |
|---|---|
| Cylinders | 6 |
| Bore | 3.386–3.661" |
| Stroke | 2.819–3.661" |
| Compression | 9.4–11.5:1 |
| Advertised power | 200–305 hp |
| Engine | Displacement | Bore × Stroke | CR | HP |
|---|---|---|---|---|
| J-series V6 · 3.661" × 3.571" · 11.2:1 | 224.6 ci | 3.6614" × 3.5709" | 11.2:1 | 300–305 |
| J35A1 | 212.1 ci | 3.5039" × 3.6614" | 9.4:1 | 210 |
| J-series V6 · 3.504" × 3.661" · 10:1 | 212.1 ci | 3.5039" × 3.6614" | 10:1 | 240–265 |
| J35A8 | 212.1 ci | 3.5039" × 3.6614" | 11:1 | 286 |
| J-series V6 · 3.504" × 3.661" · 10.5:1 | 212.1 ci | 3.5039" × 3.6614" | 10.5:1 | 250–290 |
| J35Y6 | 212.1 ci | 3.5039" × 3.6614" | 11.5:1 | 280 |
| J32A1 | 196.2 ci | 3.5039" × 3.3465" | 9.8:1 | 225 |
| J32A2 | 196.2 ci | 3.5039" × 3.3465" | 10.5:1 | 260 |
| J32A3 | 196.2 ci | 3.5039" × 3.3465" | 11:1 | 270 |
| J30A1 | 182.9 ci | 3.3858" × 3.3858" | 9.4:1 | 200 |
| J-series V6 · 3.386" × 3.386" · 10:1 | 182.9 ci | 3.3858" × 3.3858" | 10:1 | 240–244 |
| J30A (Hybrid) | 182.9 ci | 3.3858" × 3.3858" | 10.5:1 | 255 |
| J25A | 152.6 ci | 3.3858" × 2.8189" | 10:1 | 200 |
Both bore and stroke vary across the family, so these are separate castings rather than variations on one block.
Compression spans 9.4:1 to 11.5:1, so fuel requirements differ meaningfully between members — worth checking before assuming parts interchange.
1 of 13 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.