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OEM Spark Plugs

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Old 09-13-2011, 12:45 AM
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Year: 1995
Model: Grand Cherokee
Engine: 4.0L I6
Default OEM Spark Plugs

Anybody know the recommended plugs for then 4.0L I6?
Old 09-14-2011, 09:24 PM
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ITs stamped under the hood, believe its champion copper cores. Must you copper core, dont spend money on plat or irridum unless you want to chase misfires.
Old 09-15-2011, 01:38 AM
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Plats are not too bad. But still copper are wayy better. Champions!!! Performance ignition coils and wires and then you can adjust the gap bigger
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