S&S Cycle 66-84 BT Hydraulic Valve Train Conversion KitConvert any shovelhead engine to a quiet, dependable 1984 '99 style hydraulic valve train. Special polished billet tappet guides allow the use of late style tappets (included) and 198 '99 style cams. S&S Quickee pushrods can be installed quickly and easily. Top end oil can be fed through the pushrods if the engine is equipped with S&S roller rocker arms, or through the stock external oil line if using stock style rocker arms. This Part Fits: Year Make