Alright gearheads, this head gasket set is exactly what you need when you're tackling that engine rebuild on your GM vehicle! This complete kit fits a ton of popular models - we're talking 2009-2010 Cobalt and HHR with 2.2L engines, 2009-2011 HHR with 2.4L, 2008-2012 Malibu, 2009-2010 G5, 2008-2010 G6, 2008-2009 Aura, 2009-2010 Sky, and 2008-2010 Vue with 2.4L engines. It replaces OEM numbers HS26466PT-1 and ES72196, so you know it's the real deal. The quality is seriously impressive - MLS cylinder head gaskets that handle high pressure and temperature like champs, graphite materials for superior sealing, Viton valve stem seals that won't break down, and high-strength bolts that ensure everything stays tight. Installation is straightforward since it's designed as direct replacement parts with strict tolerance testing - no modifications needed. The kit includes everything: cylinder gasket, displacement gasket, valve cover gasket, 16 valve oil seals, 15 screw gaskets, 14 bolts, 17 seals, and even glue. With a 1-year warranty and excellent customer service backing it up, this is the kind of quality repair parts that give you peace of mind knowing your engine will run strong for years to come. Just double-check your specific year, make, and model using Amazon's fitment system to be 100% sure!