73-87 Chevy Square Body Truck AM/FM Radio. This radio is NOT STEREO. This was actually taken out of a 1976 Pickup. Fits 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987. With Very minor modifications. Radio worked when removed. Requires use of factory GM 10 ohm Dash Speaker for non-stereo radio.