Comes complete with S&S Cycle Super Stock ignition system The bulletproof crankcases, flywheels, cylinders, and heads have been offered for years S&S Cycle recently added new premium valve train components including S&S Cycle billet gear cover, tappet guides, and rocker boxes Features the new S&S Cycle Shovelhead-style tappet guides are designed around the quiet, dependable Evolution style tappets Corrected tappet guide bore geometry assures correct valve timing using Evolution style cams Adjustable pushrods are collapsible for easy removal and installation, but are stronger than our old-style adjustable pushrods Billet rocker covers and S&S Cycle exclusive straight rocker shafts and the new S&S Cycle forged Shovelhead style roller rocker arms All generator case engines include reverse ignition drive gears 2 year parts and labor warranty Will fit 1970-84 as a custom application S&S engines are shipped without oil Not legal for sale or use in California on any pollution controlled motor vehicles