The most expensive part in this assembly is the Camshaft-valve,intake.
Parts such as the Camshaft(s)/tensioner: Bolt,6x25, Chain,camshaft,79rh20, Camshaft-valve,intake, Pin-dowel are included in the Ex500a3 1989 Usa California Canada Camshaft(s)/tensioner parts fiche.
Check out any of the fifteen Camshaft(s)/tensioner components enlisted.