Genuine Subaru OEM Crankshaft (Nitride Treated Hardened ) to suit 2009-2018 Subaru WRX STi EJ257 2.5L
This crankshaft from Subaru is their latest and greatest factory EJ crankshaft. The crank is induction hardened to be extremely hard and reduce the chances of wear and damage from foreign material.
This is the OEM Induction Hardened crankshaft used in the 2011+ STI but it is suitable for most EJ255/257 motors.