The dash kit is designed to create a single din opening in the center of the truck/suv below the a/c vents. The dash kit is designed specifically for your vehicle, it lines up with factory mounting to install and uninstall easily. There are no modifications necessary. The Pocket kit mounts where the factory radio is removed from to create storage. Install your aftermarket radio without cutting your factory dash wires with this color coded aftermarket wire harness that plugs into the back of your aftermarket radio then can be wired into the dash by matching up like colored wires. The antenna adapter is used to adapt the factory antenna end to the standard Motorola male end need to plug in to your new aftermarket radio. This plug may not work if you have installed an aftermarket antenna, as most of those do not require adaptation. There are no modifications necessary. Compatible with Compatible with Chevrolet: Crew Cab Dually 1992-1994 Full Size Blazer 1992-1994 Full Size Pickup 1988-1994 Suburban 1992-1994 Kodiak 1994-1996. Compatible with GMC: Crew Cab Dually 1992-1994 Full Size Pickup Sierra 1988-1994 Suburban 1992-1994 Yukon 1992-1994

NOT A METRA KIT. Compatible with Chevrolet & Compatible with GMC Select Models / Years. Fits Single Din Aftermarket Radios. Blue Dash Kit + Black Pocket Kit + Wire Harness + Antenna Adapter.