Remanufactured cylinder head assembly, including: resurfaced/replaced Valve seals,valves/guides,camshafts w/gears, seals, springs, valves, caps,keeper. The head gasket and valve cover gasket are included. Sold on exchange only, for a complete head core, defined as: Head without head cover,rocker arms, rocker arm shaft and all electronics and sensors. Visit the Program Description for further details. Please check shimming on head as shims may have shifted during shipment.