ANTI-ROTATION FEATURE FOR FOLLOWERS USING AN OIL GALLERY INSERT

An engine comprises a plurality of rotating eccentric cams on a cam rail, a valve train mechanism, and respective followers wherein at least one of the respective followers has a respective first end in contact with a respective rotating eccentric cam and a respective second end in contact with the valve train mechanism, a body extending between the first end and the second end, and a follower fluid port. The engine further comprises an oil gallery bore parallel to the cam rail wherein the oil gallery bore is configured to supply oil to the respective follower through its fluid port. The engine further comprises a gallery insert placed in the oil gallery bore and is configured to abut the respective follower to prevent axial rotation with respect to the cam rail. The engine further comprises a gallery insert abut a flat surface of a follower to prevent axial rotation.