Jeep Comanche Champion Spark Plug

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Works great in Jeep 4.0 engines

Coyote

in 2 months

Iridium spark plugs have worked great in every 4.0 engine I've tried (5 and counting). These spark plugs, new distributor cap with brass contacts, new plug wires and a new coil has done wonders in all of my 4.0 engines. Whenever I get a new Jeep that's the first thing I do.

What kind of vehicle do you drive? 1988 Jeep Comanche

Iridium spark plugs have worked great in every 4.0 engine I've tried (5 and counting). These spark plugs, new distributor cap with brass contacts, new plug wires and a new coil has done wonders in all of my 4.0 engines. Whenever I get a new Jeep that's the first thing I do.

What kind of vehicle do you drive? 1988 Jeep Comanche