5.3 overhaul kit include: multiple layers steel (MLS) head gasket, valve cover gasket, valve stem seals, intake manifold gasket, exhaust manifold gasket, front camshaft seal, o-rings, other small gaskets, 30 cylinder head bolts (20 long bolts: 100mm, 10 small bolts: 45mm), 8 AFM (active fuel management) hydraulic roller lifters, 8 NON-AFM hydraulic roller lifters, 4 AFM lifter tray w/ bolts, replacement dod camshaft (single bolt)
AFM kit fit for Chevrolet: for 2007-2013 Avalanche, 2007 Silverado 1500 Classic, 2005-2013 Silverado 1500, 2007-2014 Suburban 1500, 2007-2014 Tahoe, 2005-2008 Trailblazer, for 2005-2007 Buick Rainier, for 2005-2006 Isuzu Ascender 5.3l
AFM lifter and camshaft for GMC: for 2005-2006 Envoy Xl, 2005 Envoy Xuv, 2005-2009 Envoy, 2007 Sierra 1500 Classic, 2005-2013 Sierra 1500, 2010-2013 Sierra, 2007-2014 Yukon Xl 1500, 2008-2014 Yukon, for 2005-2009 Saab 9-7x 5.3l