{"product_id":"spark-plugs-fits-big-twin-1948-1975","title":"Spark Plugs. Fits Big Twin 1948-1975.","description":"\u003cp\u003eAutolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.\u003c\/p\u003e\n\n\u003cp\u003e*Sold Each\u003c\/p\u003e\n\u003cp\u003e*Autolite Number: 4275\u003c\/p\u003e\n\u003cp\u003e*The copper core center electrode aids in thermal control and improves resistance to fouling.\u003c\/p\u003e\n\u003cp\u003e*Its specially engineered high nickel alloy center and ground electrode provides extended life.\u003c\/p\u003e\n\u003cp\u003e*The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.\u003c\/p\u003e\n\u003cp\u003e*Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.\u003c\/p\u003e","brand":"Autolite Spark Plugs","offers":[{"title":"Default Title","offer_id":48441533071582,"sku":"AL-4275","price":11.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/7951\/files\/AL-4275.jpg?v=1784196019","url":"https:\/\/ironandresin.com.au\/products\/spark-plugs-fits-big-twin-1948-1975","provider":"Iron \u0026 Resin Garage","version":"1.0","type":"link"}