S&S Cycle Hydraulic Valve Train Conversion Kit Transform your shovelhead engine into a model of quiet reliability with the innovative hydraulic valve train for 1984-'99 models. Featuring polished billet tappet guides that accommodate late style tappets and cams from 1984-'99, this upgrade enhances engine performance seamlessly. For added convenience, S&S Quickee pushrods are designed for swift installation. Additionally, top-end oiling is versatile, supporting either through-pushrod feeding with S&S roller rocker arms or traditional external oil lines with standard rocker arms. Features: Fully engineered to utilize Evolution lifters and cams in Shovelhead engines Allows for top end oiling through the pushrods when used with S&S roller rocker arms (sold separately) Includes tappets, tappet guides, gaskets, hardware, pushrod cover keepers, and a set of Quikee pushrods Note: Kit requires the use of S&S roller rocker arms and a 1984-99 Evolution Big Twin camshaft (sold separately)