Ama-Camshafts ayizinto ezibucayi enjini yangaphakathi yomlilo, ukudlala indima ebalulekile ekulawuleni isikhathi nokusebenza kwama-valve enjini. Itholakala kubhulokhi yenjini noma ekhanda lesilinda, ama-camshafts abhekele ukuvulwa okuqondile nokuvalwa kwama-valve okudla nokukhipha, ukuqinisekisa ukuthi injini isebenza kahle nangempumelelo ngaphansi kwezimo ezahlukahlukene. Kuyo