Replace the headgasket, rings, and bearings. Don't reuse anything. My roommate made the mistake of reusing bearings and he spun one shortly after doing his rings. They aren't that expensive anyways.
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2015 Ford Mustang GT Fastback - Ingot Silver - 6M - Performance Package - Gibson Catback, JLT CAI, FR 47lb injectors, BAMA E85 tune, Eibach Sportline, BMR wheel hop kit, UPR oil separator, Steeda shifter bushing/bracket
Team B.O.B.® - Ballaz on a Budget