HP+ Chain Drive Conversion Kit with Hydraulic Tensioners Update old mechanical style cams and tensioners to hydraulic tensioner system 25°-35° cooler engine temperatures 25°-35° cooler engine temperatures 15-30 more PSI of oil pressure Eliminate wet sumping, blow by and oily air cleaners Kit includes Feuling HP+ high volume oil pump, High Flow camplate, Reaper series camshafts, HP+ hydraulic roller lifters, quick install adjustable pushrods or one-piece pushrods, Timken bearings, gaskets, o-rings, exhaust gaskets, ARP fasteners, washers moly paste, Loctite, and hardware Conversion camshafts for '99-'06 Twin Cam engines utilize the '99-'06 inner cam journals with the '07-'16 outer cam journals allowing the use of '07-'16 camplates, oil pump, hydraulic chain tensioners and chain drive system (includes sprockets, hydraulic tensioners, chains and spacers needed for installation) For '99-'06 Twin Cam, except for '06 Dyna.