With a thin headgasktet AND CTR pistons, good luck making it streetable, unless you can get high octane pump gas. Also, with a milled GSR head and CTR pistons you can have piston to valve contact, so I don't know if a thin headgasket is such a good idea.
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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
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