97-05 GM BUICK CHEVY OLDS 3.8L Head Gasket Set W/O Kit Engine Cylinder Part Autoparts: AP4-5912 HS9917PT3, HS5912C, HS9917PT-3, HS5912-C 2 Cylinder Head Gaskets 2 Valve Cover Gaskets 1 Water Outlet Gasket 2 Exhaust Manifold Gaskets 12 Valve Stem Seals 1 Thermostat Seal 1 Exhaust Flange Seal 12 Fuel Injector Seals 5 O-Rings 2 Manifold End Seals 1 Upper Intake Manifold Gasket 1 EGR Valve Gasket 12 Grommets 2 Lower Intake Manifold Gaskets 1 Throttle Body Gasket 1 Manifold Coolant Plate Gasket