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03Sport

06-08-2007 01:38 PM

What sparkplugs to use?

What is the best spark plugs to use on an 03 Sport 4.0L 4runner?

jtimports

06-08-2007 10:57 PM

RE: What sparkplugs to use?

Stock really unless you upgrade wires, ditributor etc... IMHO I assume you mean heatrange.

Nippon denso, NGK, etc... are all good companies.

03Sport

06-09-2007 10:13 AM

RE: What sparkplugs to use?

I was thinking stock but wasn't sure if there was a plug that was better. Thanks

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