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Reviews for RIPP Superchargers 0711NGK38 NGK Spark Plugs for 07-11 Jeep Wrangler JK with 3.8L Engine

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DAVID E.
4/27/2020
5

Fast starts, better MPG.
Neil R.
4/3/2019
5

Nice
Seth S.
9/26/2017
4

Part fit perfectly and runs fine.
DAVID H.
5/14/2019
3

I used these plugs with Performance Distributors' Ignition Coil and Spark plug wires and my jeep ran poorly. One plug came cracked on the ceramic area, and I assume another was damaged as well. Thy don't sell these at local parts sores, so if one is bad, your stuck running another type or brand. I was getting misfire codes until I changed these out to something listed for my jeep model. I would only run these if you have a supercharger and programming set up for them. Did not work well for me.