Upgrade your Peterbilt headlight turn signals to Grand General's premium Spyder 42 LED Peterbilt headlight turn signal. Grand General's premium quality Spyder LED lights are a great choice to dress up your ride with bright LEDs. Each individual diode has a round spider web reflector design giving the light a high-end custom look and superior light distribution. LEDs are brighter and have lower amperage draw making it possible to add more lighting without upgrading your charging system. This dual high/low function Spyder turn signal LED is DOT (Department of Transportation) compliant for street legal lighting.