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  1. QR25DE Spark Plug Info

    Tuning & Engine Management
    well here's my contribution: here we go. use this to create your specific plug heat range and gap and use it to cross reference other types of plugs. DENSO SPARK PLUGS - Basic Knowledge B15 (Gen I) plug # is : Nissan:#22401-5M015 (NGK: PLFR5A-11) Denso stock replacements: (IRIDIUM TOUGH)...
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