{"product_id":"st-ngk-zfr4f-11","title":"NGK ZFR4F-11 Spark Plug","description":"\u003cp\u003eEconomical performance and improved ignitability over standard NGK spark plugs original equipment manufacturer and racer approved.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLowers ignition system voltage requirements\u003c\/li\u003e\n\u003cli\u003eFeatures a 45º V Power center electrode\u003c\/li\u003e\n\u003cli\u003eIncreases anti-fouling characteristics and performance\u003c\/li\u003e\n\u003cli\u003eGreater ignitability and performance over conventional spark plugs\u003c\/li\u003e\n\u003cli\u003eTrivalent metal plating has superior anti-corrosion and anti-seizing properties\u003c\/li\u003e\n\u003cli\u003eIncreased fuel economy and lower emissions\u003c\/li\u003e\n\u003cli\u003eHighly durable against electrical and chemical wear\u003c\/li\u003e\n\u003cli\u003eGood performance spark plug\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NGK Spark Plugs","offers":[{"title":"Default Title","offer_id":41532956704826,"sku":"ZFR4F-11","price":3.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2726\/2594\/files\/Screenshot_2026-07-21_133804.png?v=1784666335","url":"https:\/\/shopbertsmegamall.com\/products\/st-ngk-zfr4f-11","provider":"Berts Mega Mall","version":"1.0","type":"link"}