Classic Car Stereos offers speakers and other audio components for the 1947-1986 GMC Truck. If you do not wish to purchase a new radio in your vintage car because you like that old school original look you still have the option to buy a Secretaudio System. Along with that we have various different speaker options that will fit all vehicles. Speakers that come in 6x9, 5x7, and 4x10. Also one of our most popular products is our Hidden Antenna. Classic Car Stereos has all of your retro car audio needs!