C-22's have two different mast lengths
Early C-22's, that is those made before about 1985, have a mast about three to six inches longer than the mast currently employed.And yes, that will influence your headstay length. Hence, one cannot just order C-22 shrouds and stays per se. One must know the length of one's mast as well.Hence, if using a local rigger, the best way to assure the proper length for your shrouds and stays is to remove them and take them to your rigger for proper sizing of the new ones.Otherwise, Catalina Direct can supply the correct length according to your boat's year.