New Forged Short Block EJ257 2.5 Subaru Impreza Forester Semi Closed STI Engine
The New Forged Short Block EJ257 2.5 Subaru Impreza Forester Semi Closed STI Engine is a high-quality engine block designed specifically for Subaru vehicles by RR. With 0.78mm stopper headgaskets would see 8.4:1CR if using EJ257 heads.