Get NGK coppers BKR7E. That's the plug of choice for most sprayers, including myself. If you're running more than a 75 shot, go with the BKR8E, it's 2 heat ranges colder than stock. And make sure to gap them around .030".
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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