{"product_id":"marketty-ford-triton-spark-plug-thread-repair-kit-m14-1-25-for-4-6l-5-4l-6-8l-1996-2003-8-inserts-alignment-guide","title":"MARKETTY Ford Triton Spark Plug Thread Repair Kit M14-1.25 for 4.6L\/5.4L\/6.8L (1996–2003) — 8 Inserts, Alignment Guide","description":"\u003cp\u003e\u003cstrong\u003eMARKETTY 38900 is a complete two-valve Ford Triton spark plug thread repair kit that restores damaged M14-1.25 spark plug holes on 4.6L, 5.4L and 6.8L engines from 1996–2003.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis kit bundles hardened drills, taps, threaded inserts and alignment tools to let DIYers and technicians repair stripped or damaged spark plug threads in Two Valve Modular cylinder heads. The set is built to be robust and straightforward: each component is heat-treated, the inserts are corrosion-resistant, and the guide and special snap pieces help ensure correct alignment and consistent results.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this kit repair stripped spark plug threads?\u003c\/h3\u003e\n\n\u003cp\u003eThe 38900 kit repairs damaged threads by re-tapping the hole and installing a durable M14-1.25 threaded insert that accepts factory spark plugs. The included line-up guide centers the drill and tap so the new insert seats straight and flush, restoring a proper seal and thread engagement.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eComes with an M14-1.25 insert pack (8 inserts) sized for Ford 1996–2003 engines.\u003c\/li\u003e\n  \u003cli\u003eIncludes twist drill and screw tap matched to the inserts for consistent fits.\u003c\/li\u003e\n  \u003cli\u003eLine-up guide and two snap-iron pieces ensure accurate alignment during installation.\u003c\/li\u003e\n  \u003cli\u003eCylinder leak tester helps confirm sealing after the repair.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich engines and model years are compatible with this tool kit?\u003c\/h3\u003e\n\n\u003cp\u003eThis repair system is intended for Ford Two Valve Modular cylinder heads found on 4.6L, 5.4L and 6.8L V-10 engines produced between 1996 and 2003. Confirm your vehicle’s engine type and year before ordering to ensure the M14-1.25 inserts match the factory spark plug thread size.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eSpecifically manufactured for Ford 1996–2003 Two Valve engines.\u003c\/li\u003e\n  \u003cli\u003eWorks on 4.6L, 5.4L, and 6.8L V-10 Two Valve configurations.\u003c\/li\u003e\n  \u003cli\u003eNot intended for other thread sizes or non-modular Ford heads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools and materials are included, and what else will I need?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit contains the essential hardware and specialty tools to complete the thread repair without sourcing aftermarket parts: inserts, drill, tap, alignment guide, two snap irons, and a cylinder leak tester, plus two instruction inserts (one fixed in the box, one removable). You’ll need basic hand tools and some anti-rust oil for maintenance of the drill and tap when storing the kit long-term.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eIncluded: 8x M14-1.25 inserts, twist drill, screw tap, line-up guide, cylinder leak tester.\u003c\/li\u003e\n  \u003cli\u003eTwo snap iron pieces for secure operation and improved handling.\u003c\/li\u003e\n  \u003cli\u003eTwo instruction placards—one permanently attached, one portable for convenience.\u003c\/li\u003e\n  \u003cli\u003eRecommended extra: basic ratchets, torque wrench, anti-rust oil for tool care.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow durable and corrosion-resistant are the replacement inserts and tools?\u003c\/h3\u003e\n\n\u003cp\u003eThe inserts and tools are manufactured from high-hardness steels and receive surface treatment to resist wear and corrosion. The inserts have black oxidation finishing to improve longevity versus untreated helicoils, while the drill and tap are thickened and tempered to retain sharpness through multiple repairs.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eHigh-hardness, heat-treated steel components for long life.\u003c\/li\u003e\n  \u003cli\u003eBlack oxidation on inserts to reduce corrosion and extend service life.\u003c\/li\u003e\n  \u003cli\u003eThickened, tempered drill and tap for improved strength and durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The MARKETTY 38900 kit is designed for automotive technicians, experienced DIY mechanics, and shop owners who regularly service Ford Two Valve Triton engines and need a reliable, repeatable way to fix stripped spark plug threads. It’s not a universal kit—confirm your engine and thread specification (M14-1.25) before purchase. If you need help choosing or run into issues, MARKETTY provides customer support to assist with product questions and troubleshooting.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this kit fit my 5.4L Triton from 2001?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—if your 5.4L engine is the Two Valve Modular head style from 1996–2003, the M14-1.25 inserts match that model.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many repairs can I make with the kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes eight M14-1.25 inserts, so it can repair up to eight spark plug threads.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MARKETTY","offers":[{"title":"Default Title","offer_id":48080970514590,"sku":"B0CMWV2W4W","price":103.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/marketty-38900-front-packaging.jpg?v=1785793303","url":"https:\/\/northtrailauto.ca\/products\/marketty-ford-triton-spark-plug-thread-repair-kit-m14-1-25-for-4-6l-5-4l-6-8l-1996-2003-8-inserts-alignment-guide","provider":"North Trail Auto","version":"1.0","type":"link"}