| Secured By | ![]() |
Subaru EJ255/EJ257 2004 on
Subaru Impreza WRX & STi
Subaru Forester
Subaru Legacy
| Piston | Oversize | Stroke mm | Rod | C/D | Head | CR with | Dish/Dome | ||||
| Number | Bore | (mm) | (mm) | (mm) | (mm) | CC's | 0.040 | CC's | Gram | Skirt | |
| 99.50 | STD | 79.00 | 130.50 | 30.70 | 57.0 | 8.5:1 | -16.5 | 407.00 | F | ||
| 296348 | 99.75 | 0.25 | 79.00 | 130.50 | 30.70 | 57.0 | 8.5:1 | -16.9 | 410.00 | F | |
| 291062 | 100.00 | 0.50 | 79.00 | 130.50 | 30.70 | 57.0 | 8.5:1 | -17.3 | 413.00 | F | |
| 291063 | 99.50 | STD | 83.00 | 130.50 | 28.70 | 57.0 | 8.5:1 | -20.7 | 398.00 | F | |
| 296352 | 99.75 | 0.25 | 83.00 | 130.50 | 28.70 | 57.0 | 8.5:1 | -21.1 | 401.00 | F | |
| 291064 | 100.00 | 0.50 | 83.00 | 130.50 | 28.70 | 57.0 | 8.5:1 | -21.5 | 404.00 | F |