For reference, may be contact Ryan at Fred Beans in the Vendor forum link up top and ask him how long it normally takes.
I think a few day's would be the answer.
Are they buying a long block or short block ?
208,000miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. CHECK your oil, these cars use it.
Engine Build - Click Here