1960-1966 Chevy Truck 41 LED Tail Light Inserts for Stepside. Here is a your chance to update your tail lights with the new LED technology. It just couldn't get any easier! Remove your old lens and bulb, insert the socket and put the screws back in. These tail lights have 41 red LEDs with clear lenses. They use epoxy coated, fully sealed electronics on solid state circuit boards. All the LEDs light up for tail lights and all get brighter for stop/turn. These appear stock until you look close. The LEDs are instant on and off. Almost unnatural! They measure about 3 5/8" OD X 3/4" and the screw holes are 2 7/8" on center (slight offset). We do stock the LED flasher you will need. Plugs right in.