{"product_id":"sevencow-m11-x-1-5-head-bolt-thread-repair-kit-33mm-stainless-inserts-foam-case","title":"sevencow M11 x 1.5 Head Bolt Thread Repair Kit — 33mm Stainless Inserts, Foam Case","description":"\u003cp\u003e\u003cstrong\u003eThe sevencow 35119S M11 x 1.5 Head Bolt Thread Repair Kit restores stripped or damaged M11 x 1.5 head-bolt threads to safe, serviceable condition for many import and domestic engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf a head bolt hole in an engine block or cylinder head has damaged threads, replacing the whole casting is expensive and time-consuming. This kit gives technicians and experienced DIYers a targeted repair option: precision tools and longer 33mm wire-thread inserts engineered specifically to re-establish full bolt engagement for M11 x 1.5 head bolts used on Toyota, Honda, Cadillac and other vehicles.\u003c\/p\u003e\n\n\u003ch3\u003eHow does the kit repair stripped head-bolt threads?\u003c\/h3\u003e\n\u003cp\u003eThe kit removes the damaged material, prepares a clean counterbore, and installs a longer, threaded stainless steel insert sized to restore the original bolt pitch and strength. Each step uses a dedicated, precision-ground tool so the finished repair holds torque and resists pull-out.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision drill bit sizes the damaged hole accurately\u003c\/li\u003e\n  \u003cli\u003eCounterbore cleans and sizes the top of the bolt bore for insert seating\u003c\/li\u003e\n  \u003cli\u003eInstall driver and hex wrench seat the 33mm insert flush and secure\u003c\/li\u003e\n  \u003cli\u003eReplacement bolts allow immediate reassembly with correct thread engagement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes the 33mm inserts better than shorter alternatives?\u003c\/h3\u003e\n\u003cp\u003eLonger inserts increase the thread engagement length inside the casting, distributing torque over more material and lowering the risk of insert pull-out under engine loads. For head-bolt applications—where clamping force is high—this added engagement improves repair durability compared with shallow inserts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e33mm length gives extended engagement for high-torque head bolts\u003c\/li\u003e\n  \u003cli\u003eFull-length insertion reduces stress concentration at the top of the bore\u003c\/li\u003e\n  \u003cli\u003eStainless construction resists corrosion in engine environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat tools are included and how do they simplify the job?\u003c\/h3\u003e\n\u003cp\u003eThe kit arrives as a compact set with each tool shaped for a consistent, repeatable process. Tools are precision-ground and molded into a foam-cut storage box so parts stay organized and protected between jobs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne drill bit and counterbore—ground for accurate hole and seating prep\u003c\/li\u003e\n  \u003cli\u003eInstall driver and hex wrench—for correct, controlled insertion torque\u003c\/li\u003e\n  \u003cli\u003eTwelve replacement bolts included so you can reinstall head hardware immediately\u003c\/li\u003e\n  \u003cli\u003eCompact foam-lined storage case keeps tools secure and easy to carry\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit work on my vehicle engine?\u003c\/h3\u003e\n\u003cp\u003eThe 35119S is engineered for M11 x 1.5 metric head bolt threads and fits many import and domestic engines, including models from Toyota, Honda, Cadillac, Nissan, Scion, Isuzu, Hyundai, Kia and more. Always confirm thread size and application before beginning work.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned specifically for M11 x 1.5 head-bolt applications\u003c\/li\u003e\n  \u003cli\u003eFits a wide range of import and domestic engines—verify manufacturer specs\u003c\/li\u003e\n  \u003cli\u003eReplaces part number 35119S for direct compatibility in many service scenarios\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The sevencow 35119S kit is built for professional mechanics, automotive machine shops and experienced DIY enthusiasts who need a dependable, repeatable repair solution for stripped M11 x 1.5 head-bolt threads. If you service Toyota, Honda, Cadillac or similar engines and want a repair that restores original bolt engagement without replacing castings, this kit provides the precision tools and longer inserts required for a robust result. The set includes a one-year warranty and responsive customer support if you have questions during installation.\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: Is this kit compatible with my engine?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It repairs M11 x 1.5 head-bolt threads used on many Toyota, Honda, Cadillac, Nissan, Hyundai, Kia and other engines—confirm your bolt pitch before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the kit include everything needed for installation?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. It includes drill, counterbore, install driver, hex wrench, twelve bolts and a foam-lined storage case for a complete repair.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"sevencow","offers":[{"title":"Default Title","offer_id":55171448570199,"sku":"B0BKFGXZYC","price":78.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/sevencow-front-kit-open.jpg?v=1790445729","url":"https:\/\/britishgarage.co.uk\/products\/sevencow-m11-x-1-5-head-bolt-thread-repair-kit-33mm-stainless-inserts-foam-case","provider":"British Garage","version":"1.0","type":"link"}