If you want to run high boost, aftermarket sleeves are the way to go. Golden Eagle makes good stuff. You can also go with a larger bore on an aftermarket sleeve, but 84.5 mm is about as high as I would go on boost, which would make it around a 2 liter.
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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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