Keywords: Ford-I4DOHC-camdrive.jpeg A close-up of a cam profile driving a valve lifter or tappet on the en Ford I4 DOHC engine This particular valve lifter actuates an intake valve en wikipedia 2006-08-02 Dolda2000 wikipedia en Dolda2000 original upload log page en wikipedia Ford-I4DOHC-camdrive jpeg 2006-08-02 01 52 Dolda2000 2272×1704×8 747765 bytes <nowiki>A close-up of a cam profile driving a valve lifter on the Ford I4 DOHC engine This particular valve lifter actuates an intake valve </nowiki> Camshafts Ford automobile engines Cylinder heads |