Crower 402a's, great vtec cam. In my experience with my roomate's GSR they pull better than the CTR and Skunk stage 1's. Skunk and crower both make good spring and retainer setups.
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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