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starting, smoother running, more power! You will be amazed at the
improvement this 4.0 kit will make in your Jeep Wrangler. Your Wrangler
will start faster, run smoother, and have more power and better fuel
economy too. This 4.0 ignition kit consists of Performance Distributors
LIVE WIRE plug wires, Screamin’ Demon coil, brass terminal cap and
rotor. The Screamin’ Demon coil allows you to run an astounding .065
sparkplug gap, which gives you a much more powerful burn of your fuel