2009-2018 Subaru WRX STi Nitride Treated Hardened Crankshaft EJ257 2.5L 12200AA430 OEM GENUINE
$339.00
Description
Genuine OEM subaru Crankshaft 12200AA430.The dark finish is due to the temp and duration of processing for a deeper hardness. Rebuild your motor using Subaru's finest..Have been told can be used in any EJ25 2.5 as a direct replacement. Direct Fit For All EJ257 & EJ255 Engines.Through nitriding , surface hardness is doubled on the Rockwell scale, and fatigue life is increased by 25 percent ..The crank is nitride treated to be extremely hard and reduce the chances of wear and damage from foreign material
