are you looking for a dash kit for a head unit? go to crutchfeild.com and find out which one your car requires. they even offer the paper work for the removal of the fctory stereo and installation of the new dash kit.
im installing an aftermarket headunit in a friends 93 s10 blazer, and i dont want him going to bestbuy and buying a harness, dash install kit and an antenna adapter for like $60