this is from the owners manual from my 2007 replacement plug ngk cr8e or cr9e or cr10 theses are different heat ranges i had always gone with the cr9e. denso u24esr-n or u27esr-n oru31esr-n that is what the manual stated and the gap should be 0.7-0.8 mm or 0.028 - 0.031 inchcs.
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