Package includes:GM-K380 Single DIN Installation Dash Kit ,GWH-404 Wire Harness, GM-6 Radio Antenna AdapterCOMPATIBLE VEHICLES:BUICK2005 - 2007 TerrazaCHEVROLET2005 - 2008 Corvette2005 - 2008 UplanderHUMMER2005 - 2008 H3/H3xPONTIAC2005 - 2006 Montana SV6SATURN2005 - 2007 RelayGM-K380 Single DIN Installation Dash KitInstall dash kit for Single DIN/ISO RadiosIncludes a storage pocket below the radioKit Includes:Radio Housing, ISO Bracket, ISO Trim PlateMetra Equivalent: Metra 99-3304 and Scosche Equivalent: Scosche GM1594BGWH-404 Wire HarnessPlugs into car Harness for Select 2004-2008 GM/Chevrolet VehiclesHigh quality factory plug GXL Wire provides flexibility and handles more powerHigh impact ABS OEM Quality plastic molded connectorsOEM Quality terminalsAllows for the installation of an aftermarket radio using the existing factory wiring and connectorsNo cutting of factory wiring neededGM-6 Radio Antenna AdapterThis small accessory is required for aftermarket radio playback if you own a GM or Chevrolet vehicle. The adaptor changes the GM / Chevy style antenna into industry standard for aftermarket units.If you purchase a new CD player and want to be able to use the radio in your GM/Chevrolet vehicle, you must purchase this accessory.