CHS, Cylinder head specialties. 866-324-4323, at 4444 SW 27th ave. A hone and turn of my crank was $120, A full head rebuild and valve grind was $360. They have an x-ray for the heads to look for cracks, but don't let them give you helicoils if your threads are bad! They are excellent and do not specialize in Subaru's, but have done A LOT of them.
This is the teardown of the block-
Tearing down a block - A pictorial. Includes head removal. - NASIOC
Teardown and build-
Engine Building: EJ251 with STI Rods/Pistons and head work - NASIOC
And the Subaru tech manuals of course-
Impreza Manuals | ken-gilbert.com
And you can go into RalliTEK on NW ainsworth circle off airport way with any questions you need answered in person, Jeremy and Sean are more than happy to answer questions and did for me.
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