Allows for running a redundant ignition system 1970-mercury-montego-esi3639760 Air Valance - MD3 Evolution

Air Valance - MD3 Evolution II - 2-Piece - Plastic - Chevron Blue - Dirt Late Model - Kit

75 in Wide Rear - Plastic - Black - Jeep Wrangler JK 2007-14 - Kit

Wheel - Street Lite - 15 x 7 in - 4

Cylinder Head Bolt Kit - High Performance - Hex Head - Chromoly - Black Oxide - GM LS-Series - Kit

For the person who wants a subtle custom appearance with all the benefits that a Flowmaster Cat-back exhaust system provides

Allows for running a redundant ignition system 1970-mercury-montego-esi3639760 Air Valance - MD3 EvolutionRunning redundant ignition systems gives you piece of mind during long races, but how do you swap the coil wire to the back up ignition? The MSD Automatic Coil Selector solves this problem.