Upgrade your GM 5.3L V8 engine with this comprehensive camshaft and lifter kit designed for 2014-2020 models with VIN code C. This complete package includes an OE-spec camshaft (part #12619823), 16 hydraulic roller lifters from (manufactured by Delphi), and essential mounting hardware. The kit features 8 AFM hydraulic roller DOD lifters and 8 second-generation non-DOD lifters, along with front and rear trays. For a complete installation, we've included cylinder head gaskets, water pump gaskets, crankshaft front seal gasket, intake and exhaust gaskets, valve cover gaskets, lifter valley gasket, cylinder head bolts, and VVT oil control valve. The camshaft is engineered with an oil feed groove on the second journal, compatible with 4x phaser sprocket systems. This 12-pound kit comes with all necessary components for a proper installation. Note: Signature confirmation required upon delivery. For optimal performance, install updated VLOM #12571609 to prevent future lifter failures.