{"product_id":"autovic-exhaust-manifold-studs-m8x1-25x40-9-piece-stainless-for-honda-acura-b-d-series-corrosion-resistant","title":"AUTOVIC Exhaust Manifold Studs M8x1.25x40 9-Piece Stainless for Honda\/Acura B‑D Series, Corrosion‑Resistant","description":"\u003cstrong\u003eAUTOVIC exhaust manifold studs (M8x1.25x40) are a 9-piece stainless steel stud-and-nut kit engineered to replace worn or broken manifold fasteners on Honda and Acura B- and D-series engines.\u003c\/strong\u003e\n\n\u003cp\u003eThis kit supplies nine M8x1.25x40 studs and nine machined nuts made from 304 stainless steel, designed to restore secure exhaust manifold mounting on B18, B20, D15, D16 and related B-\/D-series motors. The studs are sold as a direct-replacement set for stock hardware, offering corrosion resistance and consistent thread engagement during manifold removal and reinstallation.\u003c\/p\u003e\n\n\u003ch3\u003eHow will these studs improve manifold maintenance?\u003c\/h3\u003e\n\u003cp\u003eReplacing corroded or rounded exhaust studs with fresh stainless hardware reduces the risk of shearing and eases future manifold removal. These studs allow precise clamping force with machined nuts so gaskets seat properly and exhaust leaks are minimized.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit M8x1.25 thread pitch matches OEM specifications.\u003c\/li\u003e\n  \u003cli\u003eStainless composition resists rust in high-heat, corrosive exhaust environments.\u003c\/li\u003e\n  \u003cli\u003eNuts are machined for consistent torque application and reuse.\u003c\/li\u003e\n  \u003cli\u003eAvailable as a full nine-stud set to cover common manifold patterns.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes the material and dimensions suitable for Honda and Acura engines?\u003c\/h3\u003e\n\u003cp\u003eThe studs are manufactured from 304 stainless steel, a common choice for automotive fasteners exposed to heat and road contaminants. The 40 mm length with M8 diameter and 1.25 mm pitch ensures proper engagement through manifold flanges and into the cylinder head on B- and D-series platforms.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e304 stainless steel for oxidation and corrosion resistance.\u003c\/li\u003e\n  \u003cli\u003eM8 x 1.25 thread matches OEM fastener standards for these engines.\u003c\/li\u003e\n  \u003cli\u003e40 mm stud length accommodates typical flange thicknesses and gasket stack.\u003c\/li\u003e\n  \u003cli\u003eNine studs and nine nuts supplied to replace the entire mounting set.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what tools will I need?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with basic engine work: remove old studs or bolts, clean threads, and install the new studs with appropriate torque. Because the kit uses standard metric sizes, common hand tools and thread-locking or anti-seize compound (if preferred) are sufficient.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit design for plug-and-play replacement—no modifications required.\u003c\/li\u003e\n  \u003cli\u003eStandard metric sockets and torque wrench recommended for proper tightening.\u003c\/li\u003e\n  \u003cli\u003eUse anti-seize or thread locker per service preference and heat considerations.\u003c\/li\u003e\n  \u003cli\u003eInspect head threads before installation; consider thread chaser if needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this kit replace all the fasteners on my manifold?\u003c\/h3\u003e\n\u003cp\u003eThe package includes nine studs and nine nuts—sized to meet common exhaust manifold configurations used on many B- and D-series Honda and Acura engines. Verify your engine’s bolt pattern and part count before purchase to ensure this set fits your specific application.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eContains exactly 9 studs (M8x1.25x40) and 9 matching nuts.\u003c\/li\u003e\n  \u003cli\u003eIntended for B18, B20, D15, D16 and similar B-\/D-series manifolds.\u003c\/li\u003e\n  \u003cli\u003eCheck existing hardware quantity and thread size before ordering.\u003c\/li\u003e\n  \u003cli\u003eAftermarket support available via email for fitment questions or concerns.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this kit is for: mechanics, DIY enthusiasts, and restoration specialists working on Honda and Acura B- and D-series engines who need a reliable replacement for degraded exhaust manifold fasteners. Choose this AUTOVIC set when you want corrosion-resistant studs and machined nuts that match OEM thread standard and simplify future manifold service without altering the engine or flange hardware.\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: Are these studs compatible with B18 and D16 engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit uses M8x1.25x40 studs and is designed for B18, D15\/D16 and many B-\/D-series manifolds.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the package include nuts?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The kit includes nine matched machined nuts, one for each stud.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"AUTOVIC","offers":[{"title":"Default Title","offer_id":48087103471774,"sku":"B0D9NJQDS9","price":33.32,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/autovic-front-packaging-studs.jpg?v=1785916526","url":"https:\/\/northtrailauto.ca\/products\/autovic-exhaust-manifold-studs-m8x1-25x40-9-piece-stainless-for-honda-acura-b-d-series-corrosion-resistant","provider":"North Trail Auto","version":"1.0","type":"link"}