1968 Chevy Chevelle 50 LED Tail Light Inserts. Time for a little modern technology for your trusty Chevrolet? Here you go. These plug in where the 1157 bulb was. They are a sealed assembly. The circuit boards are epoxy coated. The 50 super bright red LEDs all light up for tail lights and all get brighter for stop/turn. They are show quality units. We sell the LED flasher that you will need! It plugs right in where the original flasher was.