{"product_id":"spark-plug-5-8-hex-sz-0-551-thread-1","title":"Spark Plug 5\/8 Hex Sz 0.551 Thread","description":"\u003cp\u003eSpark Plug Application Automotive Marine Powersports Hex Size 5\/8 in Thread Size 0.551 in Thread Reach 0.75 in Ground Electrode Quantity 1 Ground Electrode Tip Design Standard Gap Size 0.043 in Resistor Plug Yes Hex Size - Metric 15.88 mm Thread Reach - Metric 19.05 mm Insulator Material Ceramic Manufacturer Heat Range 6 Seat Type Flat Center Electrode Diameter 0.023 in Ground Electrode Material Platinum Core Center Electrode Material Iridium Compatible Engine Type L4 V6 V8\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":40909999046740,"sku":"54W21L","price":31.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/3316\/7700\/files\/60GR52_AS01_c73dfa7c-739f-4cd0-b97e-44cc3761e57b.jpg?v=1744962952","url":"https:\/\/jahnda.com\/products\/spark-plug-5-8-hex-sz-0-551-thread-1","provider":"The Jahnda Group - Your Government Supply Provider","version":"1.0","type":"link"}