{"product_id":"rapidfire-spark-plug-21","title":"RAPIDFIRE Spark Plug - A.C. Delco 21","description":"\u003cp\u003e\u003cstrong\u003e[\"Gold\", \"RAPIDFIRE\", \"Gap 0.044 (in)\"]\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSpark plugs ignite the compressed air\/fuel mixture in each cylinder, and their condition directly affects combustion efficiency, fuel economy, and emissions. Signs of worn plugs include: difficulty starting, a rough idle, a hesitation or misfire under acceleration, reduced fuel economy, or a check engine light with misfire codes. Replace spark plugs on schedule - new plugs restore clean ignition performance and can noticeably improve fuel economy.\u003c\/p\u003e","brand":"A.C. Delco","offers":[{"title":"Default Title","offer_id":44315553202227,"sku":"AC-21","price":6.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0579\/9709\/9059\/files\/AC_21_Fro.jpg?v=1778813441","url":"https:\/\/daybreakauto.com\/products\/rapidfire-spark-plug-21","provider":"Daybreak Auto Parts","version":"1.0","type":"link"}