Feuling Hydraulic Stock Cam Chain Conversion Kit For Harley Twin Cam Kit allow you to update early style mechanical cam chain tensioner Twin Cam engines to the late style hydraulic cam chain tensioner systems while mixing and matching components. Whether using a Feuling camchest kit with conversion camshafts, Feuling conversion camplate oiling system with stock style 1999-2006 camshafts and or conversion camshafts with a combination of factory, SE, Delkron or S&S oiling systems, these kits offer endless combinations Features For use on 2001-06 Delphi equipped ignition system Twin Cam engines with stock style splined drive camshafts and conversion camplate which allows use of hydraulic tensioner system Will not work on Keyway camshafts Designed to work with OE+ Series Conversion Chain Drive Oiling System Kit 505-530, Race Series Conversion Chain Drive Oiling System Kit 505-531. Screamin' Eagle conversion camplate oiling system (Oem 25284-11) Kit Includes the Following Feuling Components: Outer Chain new style (Oem 25675-06) Inner Chain old style (Oem 25607-99) Outer crank sprocket 17 tooth (Oem 25673-06) Outer cam sprocket 34-tooth (Oem 25728-06) Outer hydraulic tensioner unit (Oem 39968-06) Inner hydraulic tensioner unit (Oem 39969-06) Cam spacer kit, thicknesses: 0.297, 0.307, 0.317, 0.327, 0.337, 0.347, 0.357. (Oem 25285-08)