This OSK complete timing gear set provides all the items needed to replace the timing chain assembly. Product Features:The intake camshaft sprocket is not included in this kit; order separately if needed.Depending on production, the tensioner-actuated guide may not have the same position tab as the original guide.The absence of this tab does not affect the performance of the guide.The guide with the tab is available separately if preferred. This kit contains the following:1 timing chain1 chain tensioner2 chain guides1 crankshaft sprocket1 exhaust camshaft sprocket1 front crankshaft seal