2.5L 16v - EJ25 SOHC
Manufacturers
2.5L 16v - EJ25 SOHC
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Subaru EJ25 SOHC 2.5L forged piston chart: Ø 99.50 mm, 9.5–10.7:1 compression ratio, 23 mm pin, 29.5–30.7 mm stroke. Compatibility: EJ251/252/253/259, vehicle & OEM part numbers.
Specifications of the forged pistons offered by NSB Concept for Subaru EJ25 SOHC 2.5 L 16 V :
| Reference | OEM Bore 99,50 mm | OEM CR 9,5–10,7 :1 | OEM Pin 23 mm | Height OEM Pin 29,5–30,7 mm | Range | Coating | Aluminium | Forging | Dome | Weight | Rings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| JE-314341 | 99.5 | 8.5:1 | 23 | 29.5 | JE FSR | NC | 2618 | FSR | -20.4 | 383.0 | NC |
| WK600M995 | 99.5 | 8.5:1 | 23 | 29.5 | Wiseco | Skirt | 2618 | NC | -18.0 | NC | 9950VF |
| JE-314344 | 99.5 | 11.5:1 | 23 | 29.5 | JE Round | NC | 2618 | Round | 3.0 | 412.0 | NC |
| JE-314342 | 99.75 | 8.5:1 | 23 | 29.5 | JE FSR | NC | 2618 | FSR | -20.8 | 386.0 | NC |
| WK600M9975 | 99.75 | 8.5:1 | 23 | 29.5 | Wiseco | Skirt | 2618 | NC | -18.0 | NC | 9975VF |
| JE-314345 | 99.75 | 11.5:1 | 23 | 29.5 | JE Round | NC | 2618 | Round | 2.7 | 410.0 | NC |
| JE-314343 | 100.0 | 8.5:1 | 23 | 29.5 | JE FSR | NC | 2618 | FSR | -21.2 | 388.0 | NC |
| WK600M100 | 100.0 | 8.5:1 | 23 | 29.5 | Wiseco | Skirt | 2618 | NC | -18.0 | NC | 10000VF |
| JE-314346 | 100.0 | 11.5:1 | 23 | 29.5 | JE Round | NC | 2618 | Round | 2.5 | 412.0 | NC |
Compatibility (engine codes):
Original vehicles equipped with the EJ25 SOHC 2.5 L :
| Brand | Model | Engine code | Power | Years |
|---|---|---|---|---|
| Subaru | Baja 2.5 NA | EJ251/EJ253 | 165–173 hp | 2003 – 2006 |
| Subaru | Forester SF (US) 2.5 | EJ251 | 165 hp | 1998 – 2002 |
| Subaru | Forester SG 2.5X | EJ253 | 170 hp | 2003 – 2008 |
| Subaru | Impreza 2.5 RS (GC/GD/GG) | EJ251 | 165 hp | 2000 – 2004 |
| Subaru | Impreza 2.5i (GE/GH) | EJ253 | 173 hp | 2008 – 2011 |
| Subaru | Legacy/Outback BL/BP 2.5i | EJ253 | 165–173 hp | 2003 – 2009 |
OEM piston references :
Warning: Before installation, please verify the integrity and conformity of each component of the piston kit as well as the correctness of the assembly in the engine; any warranty is strictly limited to the parts included in the piston kit.
