New CHG0040HBSI Cylinder Head Gasket Set, RTV Gasket Silicone, & Head Bolt Kit for GM 3.8L 3800 231 2nd Design VIN 2 K (Won't fit Supercharged models) Meets or exceeds OEM standard quality and performance requirements. Package Includes : 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 16 Cylinder Head Bolts (8-Long & 8-Short) 1 RTV Silicone (Brand may vary depending on availability) Note : WON'T fit 3.8L Supercharged engine models & GM 3.1 & 3.4 Liter engine models CONFIRM THIS PART FITS YOUR VEHICLE BEFORE PURCHASING (Check Fitment Data Above)