Subaru STI EJ257 2.5L OEM Case Halves - Subaru WRX/STI/FXT/LGT (EJ25) 11008AA930 | Pro Speed Racing
IAG Performance / Crest CNC Stage X 2.5L Subaru Billet Aluminum Short Block For WRX, STI, Legacy GT and Forester XT. Built power output rating 1000+BHP.