{"product_id":"laikou-injector-seal-installer-kit-8-piece-for-ford-gm-subaru-teflon-injector-seal-tools-resizers-stretchers","title":"LAIKOU Injector Seal Installer Kit 8-Piece for Ford GM Subaru — Teflon Injector Seal Tools, Resizers \u0026 Stretchers","description":"\u003cp\u003e\u003cstrong\u003eLAIKOU 34720 Injector Seal Installer Kit is an eight-piece professional toolset designed to replace Teflon fuel injector seals on many Hitachi, Bosch, Continental and Delphi injectors used by Ford, GM and Subaru engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact kit provides the specific pilot cones, seal pushers, stretchers and resizers required to remove old injector seals and seat new ones cleanly without damaging the delicate injector tip. Whether you are a home mechanic or a professional technician, LAIKOU engineered these tools to speed installation, reduce fumbling with tiny rings and produce a consistent fit so the injector seals compress correctly into the cylinder head.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and injector types are compatible with this kit?\u003c\/h3\u003e\n\u003cp\u003eThe 34720 set targets many modern engines that use single and dual Teflon-style injector seals from Hitachi, Bosch, Continental and Delphi. It includes sizes that cover a broad range of Ford, GM and Subaru applications, including direct-injection Ford ECO units.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eGM: 2010+ engines — 1.4L, 1.5L, 2.0L, 2.4L, 2.5L, 3.0L, 3.6L, 4.3L, 5.3L, 6.2L\u003c\/li\u003e\n  \u003cli\u003eGM (2010–2017): 2.0L, 2.5L, 3.6L, 5.3L, 6.2L models\u003c\/li\u003e\n  \u003cli\u003eSubaru: 2014–2019 turbo 2.0L and 2.4L\u003c\/li\u003e\n  \u003cli\u003eFord: many injectors from 2011 onward including some ECOBoost and direct injection variants\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the kit make seal replacement easier and safer?\u003c\/h3\u003e\n\u003cp\u003eEach tool in the set is purpose-built to guide a seal over the injector tip, preserve the seal profile and compress the ring back to its correct outer diameter for cylinder-head installation. Using the right pilot and resizer prevents nicks, twists or uneven compression that cause leaks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePilot cone starts the seal squarely on the injector tip to avoid rolling.\u003c\/li\u003e\n  \u003cli\u003eSeal pusher advances the ring without needing pliers or fingernails.\u003c\/li\u003e\n  \u003cli\u003eResizers set the exact OD so the seal seats smoothly into the head bore.\u003c\/li\u003e\n  \u003cli\u003eStretchers expand tight seals for easier placement over injector shoulders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools are included in the #34720 case and when should each be used?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains eight numbered tools covering common seal diameters and installation steps from stretching to sizing. Match the tool size to the injector seal profile listed by the vehicle or measure the seal OD to pick the correct stretcher or resizer.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e#34630: Seal Pusher — advances seals over the cone and onto injector tip.\u003c\/li\u003e\n  \u003cli\u003e#34640: Resizer .312 (Ford-specific)\u003c\/li\u003e\n  \u003cli\u003e#34650: Resizer .310\u003c\/li\u003e\n  \u003cli\u003e#34670 – #34710: Seal Stretchers (.160, .250, .330, .408, .430) for varying ring sizes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan this kit prevent leaks and reduce rework after seal replacement?\u003c\/h3\u003e\n\u003cp\u003eWhen used correctly the LAIKOU tools ensure the seal seats squarely and returns to the correct OD, which helps achieve an even seal on assembly and reduces the chance of fuel or vacuum leaks that require rework. Proper sizing and installation are crucial — the kit reduces human error by providing repeatable, mechanical steps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eControlled stretching avoids tearing or thinning the Teflon rings.\u003c\/li\u003e\n  \u003cli\u003eResizing prevents oversized rings from binding or undersized rings from leaking.\u003c\/li\u003e\n  \u003cli\u003eConsistent installation reduces diagnostic time and repeat repairs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: the LAIKOU 34720 Injector Seal Installer Kit is suited to DIY mechanics who perform injector service, mobile technicians who need a compact, multi-size solution, and shop professionals servicing Ford, GM and Subaru engines using Hitachi, Bosch, Continental and Delphi injectors. If you frequently replace injector seals or want to avoid damaged seals and installation frustration, this kit streamlines the job and improves first-time results.\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 Ford ECOBoost injector?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Many Ford ECOBoost and direct-injection units from 2011+ are covered; check injector seal dimensions or compare to the kit resizer sizes.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does it include tools for both single and dual Teflon seals?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the set contains stretchers and resizers sized to work with common single and dual Teflon-style fuel injector seals.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LAIKOU","offers":[{"title":"Default Title","offer_id":48084897595550,"sku":"B0D9D62P1S","price":40.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/laikou-34720-case-open-tools-arranged.jpg?v=1785865464","url":"https:\/\/northtrailauto.ca\/products\/laikou-injector-seal-installer-kit-8-piece-for-ford-gm-subaru-teflon-injector-seal-tools-resizers-stretchers","provider":"North Trail Auto","version":"1.0","type":"link"}