Fully engineered to utilize Evolution lifters and cams in Shovelhead engines Includes polished billet lifter blocks, 84-99 style lifter set, gaskets, pushrod clips, mounting hardware and a set of Quickee pushrods Evolution cams are sold separately (see FatBookĂ– for cam selections) Allows for top end oiling through the pushrods when used with S&S billet Shovelhead rocker covers (sold separately) Made in the U.S.A. Kit requires the use of S&S roller rocker arms (sold separately).. SHVLHD HYDR LIF RETRO KIT