When I ordered my EJ257 from my local dearler, I had it in a few day's. Call Subaru of America.
It's not like the factory doesn't have any engines.
195k, 5/20/12 new ej257 short block, 8/20/11 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. CHECK your oil, these cars use it.
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