PaceSetter 72C2259 Long Tube Header with Armor Coat for 6.0L, 6.2L Pontiac G8 2008-09 CNC-machined, port-matched thick steel flanges provide postive seal at the head and unrestriced flow into the primary tubes All tubing is mandrel-bent, 16-gauge carbon steel for excellent durability Armor Coat metallic ceramic coating resists rust and corrosion and will not turn blue Unsurpassed fit and easy to install with basic skills Gaskets and hardware included