{"title":"Metric Bolt Kits","description":null,"products":[{"product_id":"high-performance-92mm-throttle-body-for-gm-ls-engines","title":"Black 92mm Throttle Body – LS Cable Drive","description":"Increase Power and Enhance Engine Performance Upgrade your GM LS engine with this premium 92mm throttle body from Certified Automotive Experts. Engineered for superior performance, it delivers a significant horsepower increase and improved throttle response for a more exhilarating driving experience. Unmatched Quality and Durability Crafted from high-strength T6 aluminum alloy, this throttle body is built to withstand the demands of high-performance applications. The short flow channel design optimizes airflow for improved engine efficiency and flexibility. OE-Equivalent Design and Compatibility This throttle body is a direct-fit replacement for the stock unit on various GM LS engines, including LS1, LS2, LS3, LS6, LS7, and LSX. It seamlessly integrates with your existing fuel injection system and includes essential components like the idle air control (IAC) sensor and throttle position sensor (TPS) for trouble-free installation. Simple Installation and Reliable Performance This 92mm throttle body is designed for a hassle-free installation process. It includes all necessary components for a complete replacement, ensuring a perfect fit and reliable operation. Backed by Certified Automotive Experts This throttle body is covered by a warranty against manufacturing defects, providing you with peace of mind. Invest in peak performance and enhanced driving dynamics for your GM LS engine. Order your 92mm throttle body today!","brand":"Certified Automotive Experts","offers":[{"title":"Default Title","offer_id":51272512864578,"sku":"TB008BK-1","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/4664\/2498\/files\/39d6cd3f-3e69-4b38-89f3-250bc4eb0be1.jpg?v=1757519262"},{"product_id":"cae-silver-102mm-throttle-body-assembly-with-tps-iac-sensor","title":"Silver 102mm Throttle Body – LS Cable Drive","description":"Upgrade your intake system with this silver 102mm throttle body, designed for cable-driven LSX and LS series engines. Built from durable CNC-machined T6 aluminum alloy, it delivers excellent airflow and reliable throttle response. Includes TPS and IAC sensors for a complete replacement solution. Fits LS 4-bolt intake manifolds with 102mm openings.","brand":"Certified Automotive Experts","offers":[{"title":"Default Title","offer_id":51272544026946,"sku":"TB009S-3","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/4664\/2498\/files\/7ca877b5-05e8-4a0f-b9a8-670b15a8760b.jpg?v=1757519763"},{"product_id":"cae-102mm-throttle-body-assembly-with-tps-iac-sensor-cnc-machined","title":"Black 102mm Throttle Body – LS Cable Drive","description":"This 102mm throttle body is built for cable-driven LS applications and delivers stable airflow and dependable performance. Crafted from high-quality T6 aluminum alloy, it offers durability and precision. Includes TPS and IAC sensors. Not compatible with 92mm setups.","brand":"Certified Automotive Experts","offers":[{"title":"Default Title","offer_id":51272569028930,"sku":"TB009BK-3","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/4664\/2498\/files\/50237272-d39a-4c28-862a-cc16253f1619.jpg?v=1757520305"},{"product_id":"m10-x-1-5-stainless-header-collector-bolt-kit-12-piece","title":"M10 x 1.5 Stainless Header Collector Bolt Kit – 12-Piece","description":"\u003ch1\u003eStainless Steel Header Collector Bolt Kit – M10 x 1.5 x 40mm, 12-Piece\u003c\/h1\u003e\n\u003cp\u003eUpgrade your exhaust installation with the \u003cstrong\u003eCertified Automotive Experts Stainless Steel Header Collector Hardware Kit\u003c\/strong\u003e, designed for secure and reliable connections between exhaust header collector flanges. This complete \u003cstrong\u003e12-piece exhaust header bolt kit\u003c\/strong\u003e includes six M10 x 1.5 x 40mm serrated flange bolts and six matching M10 x 1.5 serrated flange nuts, all manufactured from durable \u003cstrong\u003e304 stainless steel\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eDesigned for demanding automotive environments, these stainless steel exhaust fasteners provide excellent corrosion resistance and long-term durability compared with conventional zinc-plated hardware. The serrated flange design helps resist loosening caused by engine vibration, road impacts, and repeated exhaust heat cycles, making this kit a practical choice for performance exhaust systems and custom fabrication.\u003c\/p\u003e\n\u003cp\u003eThe integrated flange on each fastener helps distribute clamping force across the collector flange surface while eliminating the need for separate washers. With \u003cstrong\u003esix bolts and six matching nuts\u003c\/strong\u003e, this kit provides enough hardware for \u003cstrong\u003etwo 3-bolt header collector flanges\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eComplete \u003cstrong\u003e12-piece exhaust header collector hardware kit\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncludes \u003cstrong\u003e6 M10 x 1.5 x 40mm serrated flange bolts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIncludes \u003cstrong\u003e6 M10 x 1.5 serrated flange nuts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMade from corrosion-resistant \u003cstrong\u003e304 stainless steel\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eA2-70 stainless steel specification\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSerrated flange design helps resist loosening from vibration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWide flange distributes clamping force across the collector flange\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated flange eliminates the need for separate washers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSuitable for repeated exhaust heat cycles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for \u003cstrong\u003etwo 3-bolt collector flanges\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIdeal for new exhaust installations, repairs, and custom fabrication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e304 Stainless Steel Construction\u003c\/h2\u003e\n\u003cp\u003eThese header collector bolts and nuts are manufactured from \u003cstrong\u003e304 stainless steel\u003c\/strong\u003e, providing excellent resistance to corrosion in automotive environments exposed to heat, moisture, road debris, and changing temperatures.\u003c\/p\u003e\n\u003cp\u003eCompared with conventional zinc-plated hardware, stainless steel provides a durable solution for exhaust applications where long-term exposure to heat and moisture can cause ordinary fasteners to deteriorate.\u003c\/p\u003e\n\u003ch2\u003eSerrated Flange Design\u003c\/h2\u003e\n\u003cp\u003eThe serrated flange surfaces are designed to provide additional resistance against fastener loosening.\u003c\/p\u003e\n\u003cp\u003eExhaust systems experience constant vibration and repeated thermal expansion and contraction. The serrated flange design helps maintain a secure connection during these conditions while the integrated flange distributes clamping pressure across the collector flange.\u003c\/p\u003e\n\u003cp\u003eThe flange also means you don't need to install separate washers with these fasteners.\u003c\/p\u003e\n\u003ch2\u003eIdeal for Custom Exhaust Applications\u003c\/h2\u003e\n\u003cp\u003eThis stainless steel header collector hardware kit is suitable for a wide range of automotive exhaust applications, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eExhaust header collector flanges\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e3-bolt header collectors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eY-pipe connections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCustom exhaust fabrication\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePerformance exhaust systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExhaust repairs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStreet cars\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHot rods\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMuscle cars\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClassic cars and trucks\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOff-road vehicles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRacing and competition applications\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEngine swap projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhat's Included?\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003e12-piece complete hardware kit:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e6 × M10 x 1.5 x 40mm 304 stainless steel serrated flange bolts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e6 × M10 x 1.5 304 stainless steel serrated flange nuts\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe quantity is designed to provide hardware for \u003cstrong\u003etwo 3-bolt exhaust collector flanges\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch2\u003eProduct Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eExhaust Header Collector Hardware Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003e12 Pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBolt Quantity\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNut Quantity\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Size\u003c\/td\u003e\n\u003ctd\u003eM10 x 1.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBolt Length\u003c\/td\u003e\n\u003ctd\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHex Size\u003c\/td\u003e\n\u003ctd\u003e15mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStainless Grade\u003c\/td\u003e\n\u003ctd\u003eA2-70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBolt Standard\u003c\/td\u003e\n\u003ctd\u003eGB5789\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNut Standard\u003c\/td\u003e\n\u003ctd\u003eDIN6923\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlange Type\u003c\/td\u003e\n\u003ctd\u003eSerrated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eExhaust Header Collector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesigned For\u003c\/td\u003e\n\u003ctd\u003eTwo 3-Bolt Collector Flanges\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhy Use Stainless Steel Header Collector Hardware?\u003c\/h2\u003e\n\u003cp\u003eHeader collector fasteners operate in a demanding environment where high temperatures, vibration, moisture, and road conditions can affect conventional hardware.\u003c\/p\u003e\n\u003cp\u003eThis \u003cstrong\u003e304 stainless steel exhaust bolt and nut kit\u003c\/strong\u003e provides a durable fastening solution while the serrated flange design helps reduce the chance of loosening during repeated driving and exhaust heat cycles.\u003c\/p\u003e\n\u003cp\u003eFor builders installing new headers, repairing an existing exhaust system, or fabricating a custom exhaust, having the correct matching collector hardware can make installation faster and more reliable.\u003c\/p\u003e\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cp\u003eBefore installation, verify that your header collector flanges are compatible with \u003cstrong\u003eM10 x 1.5 fasteners\u003c\/strong\u003e and that the 40mm bolt length is appropriate for your application.\u003c\/p\u003e\n\u003cp\u003eAlways follow the header manufacturer's recommended installation procedure and torque specifications. Inspect the collector flange and fasteners before installation to ensure all mating surfaces are clean and properly aligned.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional installation is recommended when working on custom or performance exhaust systems.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat size are these header collector bolts?\u003c\/h3\u003e\n\u003cp\u003eThe bolts are \u003cstrong\u003eM10 x 1.5 x 40mm\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eHow many bolts and nuts are included?\u003c\/h3\u003e\n\u003cp\u003eThe kit contains \u003cstrong\u003e6 bolts and 6 matching nuts\u003c\/strong\u003e, for a total of \u003cstrong\u003e12 pieces\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eWhat material are the fasteners made from?\u003c\/h3\u003e\n\u003cp\u003eBoth the bolts and nuts are made from \u003cstrong\u003e304 stainless steel\u003c\/strong\u003e, specified as A2-70.\u003c\/p\u003e\n\u003ch3\u003eHow many collector flanges can this kit cover?\u003c\/h3\u003e\n\u003cp\u003eThe six bolts and six nuts are designed to provide hardware for \u003cstrong\u003etwo 3-bolt header collector flanges\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eDo the bolts have serrated flanges?\u003c\/h3\u003e\n\u003cp\u003eYes. The bolts feature \u003cstrong\u003eserrated flange surfaces\u003c\/strong\u003e designed to help resist loosening from vibration and repeated exhaust heat cycles.\u003c\/p\u003e\n\u003ch3\u003eAre washers included?\u003c\/h3\u003e\n\u003cp\u003eSeparate washers are not required because the bolts and nuts feature integrated flange surfaces designed to distribute clamping force.\u003c\/p\u003e\n\u003ch3\u003eWhat can these bolts be used for?\u003c\/h3\u003e\n\u003cp\u003eThey are suitable for \u003cstrong\u003eheader collector flanges, Y-pipe connections, custom exhaust fabrication, performance exhaust systems, exhaust repairs, and other compatible automotive applications\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eAre these bolts universal?\u003c\/h3\u003e\n\u003cp\u003eThey are not vehicle-specific, but you should verify the required \u003cstrong\u003eM10 x 1.5 thread size, bolt length, flange clearance, and application requirements\u003c\/strong\u003e before ordering.\u003c\/p\u003e\n\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\n\u003cp\u003eThis is a \u003cstrong\u003euniversal exhaust hardware kit\u003c\/strong\u003e, not a vehicle-specific component.\u003c\/p\u003e\n\u003cp\u003eBefore ordering, confirm:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eYour collector uses M10 x 1.5 fasteners\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e40mm bolt length is suitable for your flange thickness\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe 15mm hex size has adequate installation clearance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThe flange and nut dimensions are compatible with your exhaust system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAnswer-First Product Summary\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is this product?\u003c\/strong\u003e\u003cbr\u003eThis is a \u003cstrong\u003e12-piece stainless steel exhaust header collector hardware kit\u003c\/strong\u003e containing six M10 x 1.5 x 40mm serrated flange bolts and six matching M10 x 1.5 serrated flange nuts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is it used for?\u003c\/strong\u003e\u003cbr\u003eIt is designed for securing compatible \u003cstrong\u003eexhaust header collector flanges\u003c\/strong\u003e, including two 3-bolt collector connections.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat material is it made from?\u003c\/strong\u003e\u003cbr\u003eThe bolts and nuts are manufactured from \u003cstrong\u003e304 stainless steel (A2-70)\u003c\/strong\u003e for corrosion resistance and durability in demanding automotive environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it include enough hardware for two 3-bolt collectors?\u003c\/strong\u003e\u003cbr\u003eYes. The kit includes \u003cstrong\u003esix bolts and six nuts\u003c\/strong\u003e, providing hardware for two 3-bolt collector flanges.\u003c\/p\u003e","brand":"Certified Automotive Experts","offers":[{"title":"Default Title","offer_id":55942571360578,"sku":"CAE–6PC-M10x40-BOLT","price":150.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/4664\/2498\/files\/M10_x_1.5_Stainless_Header_Collector_Bolt_Kit_12-Piece.jpg?v=1787570048"}],"url":"https:\/\/certifiedautomotiveexperts.com\/collections\/metric-bolt-kits.oembed","provider":"Certified Automotive Experts","version":"1.0","type":"link"}