COMES WITH A BEARING RACE CAM. TAKES OLD TYPE BIGGER 22 AND 25MM VALVES / SPRINGS / KEEPERS,, SEE PARTS FOR SUPER HEAD BELOW IF YOUR USING THIS ON AN OLDER MODEL YOU MAY NEED TO GET THE LEFT ROUND SIDE HEAD COVER 202A @ PARTS FOR SUPERHEAD @ CLICK ON PICTURE TO ENLARGE @ CLICK ON PICTURE TO ENLARGE @ CLICK ON PICTURE TO ENLARGE