MSD Self-Powered Timing Light 3550224-104-XXL significantly reducing CO2 buildup in

significantly reducing CO2 buildup in the helmet

Black Aluminized

Hose End -12 AN

Note: When using with stock 4 valve mustang pickup

MSD Self-Powered Timing Light 3550224-104-XXL significantly reducing CO2 buildup inAn accurate timing light is extremely important to the performance of your engine. MSD's new Self Powered Timing Light is a tool every performance tuner should have. a great feature of the Self Powered Timing Light is that it does not require 12 volts. This means less wires are hanging over the engine compartment and makes for quick, easy checks. For power, the Light uses six AAA batteries. The lightweight assembly is injection molded for great