{"product_id":"sevencow-m11-x-1-5-head-bolt-thread-repair-kit-33mm-long-inserts-complete-tooling-for-toyota-honda-cadillac-engines","title":"sevencow M11 x 1.5 Head Bolt Thread Repair Kit — 33mm Long Inserts, Complete Tooling for Toyota Honda Cadillac Engines","description":"\u003cp\u003e\u003cstrong\u003eThe sevencow 35119S M11 x 1.5 Head Bolt Thread Repair Kit restores stripped head-bolt threads on many import and domestic engines using long 33mm inserts for a durable, torque-ready repair.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen head bolt threads are damaged, reusing the cylinder head without a proper repair risks bolt pull-out and engine failure. The sevencow 35119S kit is engineered specifically for M11 x 1.5 metric threads and includes precision tooling and extended-length inserts so the repaired thread is stronger and engages fully under high clamping loads. The kit fits common makes such as Toyota, Honda, Cadillac, Nissan, Scion, Isuzu, Hyundai, Kia and other import\/domestic engines that use M11 x 1.5 head bolts.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this kit restore stripped M11 x 1.5 head-bolt threads?\u003c\/h3\u003e\n\u003cp\u003eStart by drilling and counterboring the damaged hole to the correct diameter using the supplied drill and counterbore. Then install the 33mm helicoil-style inserts with the driver and secure the insert so the bolt will thread into OEM-spec engagement depth.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision-ground drill bit and counterbore for correct hole preparation\u003c\/li\u003e\n  \u003cli\u003e33mm long inserts ensure full thread engagement and reduced pull-out risk\u003c\/li\u003e\n  \u003cli\u003eInstall driver and hex wrench speed up accurate insertion\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat components are included and how do they simplify the repair?\u003c\/h3\u003e\n\u003cp\u003eThe kit comes organized in a foam-padded storage box that keeps tools and inserts protected and accessible. Everything needed for the repair is in the case so professionals and experienced DIYers can complete the job without sourcing extra parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 drill and 1 counterbore for hole prep\u003c\/li\u003e\n  \u003cli\u003e1 install driver and 1 hex wrench for insertion and seating\u003c\/li\u003e\n  \u003cli\u003e12 M11 x 1.5 thread inserts and a custom foam storage box\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy do the longer 33mm inserts matter compared with shorter options?\u003c\/h3\u003e\n\u003cp\u003eLonger inserts engage more threads in the parent material, distributing clamping forces across a greater surface area and lowering the chance of insert pull-out under high torque. For head-bolt repairs—where clamping loads are high—the extended length gives a more reliable connection than short inserts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncreased thread contact for improved load distribution\u003c\/li\u003e\n  \u003cli\u003eBetter resistance to vibration and repeated torque cycles\u003c\/li\u003e\n  \u003cli\u003eDesigned to meet the demands of engine head bolt torque specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs the sevencow 35119S kit suitable for professional shops or home mechanics?\u003c\/h3\u003e\n\u003cp\u003eYes. The kit’s precision tooling and organized case make it appropriate for both shop technicians and knowledgeable DIYers who have experience with thread repair. The included warranty and customer support add confidence for repeat use in a professional environment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTools sized and ground for reliable, repeatable preparation\u003c\/li\u003e\n  \u003cli\u003eCustom foam insert keeps components secure and transportable\u003c\/li\u003e\n  \u003cli\u003e1-year warranty and 24-hour support response for purchase peace of mind\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The sevencow 35119S M11 x 1.5 Head Bolt Thread Repair Kit is aimed at automotive technicians, engine rebuilders, and experienced DIYers working on Toyota, Honda, Cadillac, Nissan, Scion, Isuzu, Hyundai, Kia and other vehicles with M11 x 1.5 head bolts. It’s especially useful when you need a long-lasting repair that restores factory-style thread engagement and reliability.\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 work for my Toyota M11 x 1.5 head bolts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The sevencow 35119S is built for M11 x 1.5 head-bolt threads and fits many Toyota applications, plus other import and domestic engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many inserts are included and how long are they?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes 12 inserts, each 33mm long, designed for deeper engagement and improved pull-out resistance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"sevencow","offers":[{"title":"Default Title","offer_id":67586576220345,"sku":"B0BKFGXZYC","price":144.32,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/sevencow-front-packaging-35119s.jpg?v=1790487657","url":"https:\/\/redleafauto.ca\/products\/sevencow-m11-x-1-5-head-bolt-thread-repair-kit-33mm-long-inserts-complete-tooling-for-toyota-honda-cadillac-engines","provider":"Redleaf Auto","version":"1.0","type":"link"}