Designed to run the factory '00-'06 style splined chain drive camshafts with the included sprockets which converts to the later roller style outer chainFor '99-'01 Magnetti Marelli equipped ignition system and carbureted engines requiring the timing tab on the 34 tooth rear camshaft sprocketKit includes the needed components to upgrade early '99-'06 style mechanical spring tensioner cam chain drive system to the late '07-'17 hydraulic cam chain drive system using a hybrid camplateKit includes a Feuling OE+ billet oil pump and camplate, Feuling's billet hydraulic tensioners, cam chains, sprockets, sprocket alignment spacers, Timken®/Feuling bearings, needed gaskets, O-rings, ARP® cam, crank and tensioner hardware, Loctite® and moly lubeWorks with cam postion sensorMade in the USARocker box gasket kit included so the factory one piece pushrods can be reused.