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This 05-2010 Mustang GT/ 07-2012 GT500 coolant expansion / fill tank features a billet radiator style neck, which accepts our part # 81-016 or 81-116 pressure cap or any standard 16 psi radiator style cap.
Learn MoreThis 05-2010 Mustang GT/ 07-2012 GT500 coolant expansion / fill tank features a billet stock style neck, which accepts your stock cap.
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