5-liter EJ engine located in the WRX STI. The EJ20's thicker cylinder sleeves and top-quality cooling to your EJ25 help it become much not as likely to acquire this failure. In the case of your EJ20, It can be like most engines. Get good care of it, And it will get excellent treatment of you.The crankcase for the EJ20X and EJ20Y engines had 5 most