Kit includes the needed components to upgrade early '99-'06 style mechanical spring tensioner cam chain drive systems to the late '07-'17 hydraulic cam chain drive systemIncludes a Feuling HP+ billet oil pump, high flow camplate, HP+ lifters, Feuling’s billet hydraulic tensioner housings, tensioner pads, cam chains, sprockets, sprocket alignment spacers, Timken®/Feuling bearings, needed gaskets, O-rings, ARP® cam, crank hardware, Loctite® and moly lubeMade in the USARocker box gasket kit included so the factory one-piece pushrods can be reused.