{"product_id":"spark-plug-b6es-ngk-allard-v8-21-stud-cylinder-heads-gem-21-stud-cylinder-heads","title":"Spark Plug B6ES NGK (Allard V8 21 Stud Cylinder Heads, GEM 21 Stud Cylinder Heads, GEM Model A Cylinder Head)","description":"\u003cp\u003eSpark plug B6ES NGK \u003c\/p\u003e\n\u003cp\u003eFits Belcher Engineering's V8 21 Stud Cylinder heads \"GEM and Allard\" and Belcher Engineering's Ford Model A \"GEM\" Cylinder head. \u003c\/p\u003e\n\u003cp\u003eInsulator height 55mm, Reach 0.75\", Flat seat, 14mm Thread dia., hex 13\/16\", pre-gap size 0.28\", resistance  1 82. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":40834786230359,"sku":"B6ES","price":4.82,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/3580\/2199\/files\/B6ES.jpg?v=1713960347","url":"https:\/\/www.belchers.uk\/products\/spark-plug-b6es-ngk-allard-v8-21-stud-cylinder-heads-gem-21-stud-cylinder-heads","provider":"Belcher Engineering","version":"1.0","type":"link"}