GSC Power Division billet S1 camshafts for Ford F-150 Coyote Gen 3 are offered as a direct-fit upgrade for applications using the OEM unported head, listed as a 290/300 pairing. These billet profiles replace the stock cams to change valve timing characteristics consistent with GSC's cam families. The description identifies application and cam specs; professional installation and tuning are recommended to match supporting components.
GSC P-D Ford F-150 Coyote Gen 3 (w/OEM Unported Head) 290/300 S1 Billet Camshafts