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Here is what an Internet search produced;
Ford offers two brake packages for the Explorer ST and Explorer Platinum: the ST Street Pack and the High Performance Package. The ST Street Pack delivers vented rotors and larger calipers front and rear, which grow 18 mm up front, and 30 mm out back compared to the stock calipers on the Explorer ST and Explorer Platinum. The High Performance Package adds performance lining to those brakes. The ST Performance Brake Package includes four-wheel vented disc brakes with Colorado Red painted brake calipers, performance brake pads, a brushless radiator cooling fan, 21-inch premium gloss black-painted aluminum wheels and more.
https://www.bing.com/ck/a?!&&p=1e67...lZXQtdHJhY2stcGFja2FnZXMtZXhwbGFpbmVkLw&ntb=1
Peter