Traxxas Slash 4x4 LED Light Kit with Front and Rear Bumpers. These replacement bumpers is intended for the Traxxas Slash 4x4. Four LEDs are installed to the front bumper and two LEDs are installed to the rear bumper. The LEDs are factory installed and pre-wired for ease of use. Package includes one front bumper, one rear bumper, One Y-harness and hardware.