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What sparkplugs to use?

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Old 06-08-2007, 01:38 PM
03Sport's Avatar
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Default What sparkplugs to use?
What is the best spark plugs to use on an 03 Sport 4.0L 4runner?
 
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Old 06-08-2007, 10:57 PM
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Default 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.
 
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Old 06-09-2007, 10:13 AM
03Sport's Avatar
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Default 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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