Camshaft drive kit for the 4.6L 4 valve aluminum block Fits 1996-2004 4.6L 4V engines Will not fit 1993-1998 camshafts Kit includes new production: Tensioner arms Chain guides Front cover gaskets and front main seal Primary and secondary timing chains Primary and secondary timing chain tensioners Camshaft sprockets, spacers, bolts and washers Crankshaft sprocket Crank position trigger wheel Includes fasteners