
Subaru part number 12200AA610 is an original (OEM) engine crankshaft. It is primarily designed for 2.5L EJ255 and EJ257 boxer engines and fits various turbocharged and performance-oriented Subaru models.
EJ255 (2.5L Turbo)
EJ257 (2.5L Turbo)
The crankshaft stroke is 79 mm.
The thrust bearing is in the 5th position.
It can be used for increasing the displacement (the so-called "stroking" process) of EJ20 / EJ205 / EJ207 engines when assembling a 2.1L Stroker kit.
Subaru Impreza WRX STI: 2004–2021
Subaru Impreza WRX: 2006–2014
Subaru Forester (including XT models): 1998–2013
Subaru Legacy (including GT models): 1999–2012
Subaru Outback (including XT models): 1999–2012

Kit includes:
1. Genuine Subaru 79.00mm stroke crankshaft
2. FCP Engineering H-beam connecting rod kit
3. JE Pistons kit (Bore size 92.50mm or 93.00mm CR 8.5:1)
4. King Racing connecting rod bearing set
5. King Racing main bearing set
