{"product_id":"14mm-back-tap-thread-repair-tool-auto-spark-plug-repair-tool-threading-640811","title":"14mm Back Tap Thread Repair Tool Auto Spark Plug Repair Tool Threading 640811","description":"\u003cp\u003eThis 14mm Back Tap Thread Repair Tool is designed for repairing automotive spark plug threads and references part number(s) 640811. \u003c\/p\u003e\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThe 14mm Back Tap Thread Repair Tool is an innovative automotive specialty tool engineered to repair damaged spark plug threads directly through the spark plug hole. Featuring a patented collapsible design, this tool can be inserted through the hole into the combustion chamber and expanded to engage the clean threads from the inside out. This method effectively draws debris and metal filings up and out of the cylinder head, preventing contamination and ensuring a clean thread restoration without the need for cylinder head removal.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCollapsible design allows insertion into the combustion chamber before expansion\u003c\/li\u003e\n\u003cli\u003eRepairs damaged threads from the inside out to ensure precise alignment\u003c\/li\u003e\n\u003cli\u003eDraws debris and metal shavings away from the engine cylinder\u003c\/li\u003e\n\u003cli\u003eEliminates the need to remove cylinder heads for thread repair\u003c\/li\u003e\n\u003cli\u003eConstructed from heat-treated 4118 steel for long-lasting durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRestoring stripped or fouled 14mm spark plug threads in automotive engines\u003c\/li\u003e\n\u003cli\u003ePreventing debris from entering cylinders during thread chasing\u003c\/li\u003e\n\u003cli\u003ePerforming quick and cost-effective engine thread maintenance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Thread Repair Tool\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e 640811\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThread Size:\u003c\/strong\u003e 14mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Heat-treated 4118 steel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this tool require removing the cylinder head? \u003cstrong\u003eA:\u003c\/strong\u003e No, the unique collapsible design allows you to repair the threads from the inside out without removing the cylinder head.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What thread size is this tool compatible with? \u003cstrong\u003eA:\u003c\/strong\u003e This specific tool is engineered for 14mm spark plug thread applications.\u003c\/p\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.\u003c\/em\u003e","brand":"Northline Parts","offers":[{"title":"Default Title","offer_id":43043641819207,"sku":"ZZ1M00042","price":23.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0681\/7123\/5399\/files\/116662821638-0.jpg?v=1785979309","url":"https:\/\/www.northlineparts.com\/products\/14mm-back-tap-thread-repair-tool-auto-spark-plug-repair-tool-threading-640811","provider":"Northline Parts","version":"1.0","type":"link"}