Package Includes: Camshaft Lifter Assemblies (Quantity as specified in application set) Rocker Arms (Quantity as specified in application set) Cylinder Head Gaskets (Full Set) Valve Stem Seals Camshaft Solenoid Gaskets OEM / Reference Numbers: 12619694 12624850 55573354 55573355 55573356 55574281 12640873 (Alternative reference depending on specific sub-kit content) Compatible Vehicles: Equinox 2010-2017 2.4L L4 (Engine Code LAF/LE2) Terrain 2010-2017 2.4L L4 (Engine Code LAF/LE2) Captiva Sport 2012-2015 2.4L L4 Regal 2011-2013 2.4L L4 Installation Information: Removal of the valve cover assembly is required.Depress the hydraulic lash adjuster mechanism prior to installation if replacing lifters.Proper torque sequence and specification application on all cylinder head bolts for gasket seating.Verify camshaft positioning alignment indexes match timing marks before final assembly of the cylinder head components.