OEM Spark Plugs
CF Veteran
Joined: Mar 2010
Posts: 1,030
Likes: 2
From: Elizabethtown, pa
Year: 1994
Model: Cherokee
Engine: 5.2
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.
Junior Member
Joined: Aug 2011
Posts: 67
Likes: 0
From: Portland Oregon
Year: 1995
Model: Grand Cherokee
Engine: 4.0l
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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