Davis Unified Ignition SOS Coil Packs - Gen3 Hemi

Davis Unified Ignition SOS ignition coil packs feature advanced technology to pack more electrifying voltage into them for pure ignition performance.

The SOS (Sultans of Spark) ignition coils are designed with increased windings to boost spark output up to 40,000 Volts! That is a 60 percent increase in spark energy over the 25,000 Volts produced by the stock ignition coils. The higher voltage, along with an increased spark duration, allows spark plug gaps to be opened up. The larger gap exposes a hotter spark in the combustion chamber for an increased burn of the fuel mixture, resulting in more horsepower and better fuel economy. 

Davis Unified Ignition SOS ignition coil packs also provide quicker starting, smoother idle, and excellent throttle response. They are direct replacements for the factory coil packs and do not require any special modifications for installation.

In testing on our naturally aspirated 5.7L shop truck we noticed .04-.06 decrease in 1/4 mile ET compared to stock coil packs under identical track conditions, density altitude, plug gap, and tune on the same day.