{"product_id":"36-piece-header-bolt-kit-3-8-16-x-1-black-grade-8-steel-bolts-with-washers-304-stainless-collector-flange-bolts-and-nuts-compact-5-16-hex-flange-black-phosphate-coated-fits-small-block-chevy-sbc","title":"12pc SBC Header Bolts 3\/8-16 x 1\" Black Grade 8 Steel, 5\/16\" Hex","description":"\u003ch2\u003e\u003cspan\u003e36-Piece Small Block Chevy Header Hardware Kit\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSecure your exhaust installation with this \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e36-Piece Header Hardware Kit\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, designed for Small Block Chevy V8 applications. The kit includes high-strength header bolts, matching washers, and stainless steel collector hardware for reliable fastening and long-lasting durability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe 12 header bolts and 12 washers are made from heat-treated \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e42CrMo alloy steel\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e with Grade 8 specifications, providing dependable clamping strength under heat and vibration. Compact \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e5\/16\" hex heads\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e allow easier tool access in tight engine bays and around block hugger-style headers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eA black phosphate and blackened finish helps resist corrosion, while the included \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e304 stainless steel collector bolts and nuts\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e provide durability at exhaust connection points.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eKey Features\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003eComplete 36-piece exhaust header hardware kit\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e12 heat-treated 42CrMo alloy steel header bolts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e12 matching washers\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e6 stainless steel collector bolts and 6 nuts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eGrade 8 specification header bolts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCompact 5\/16\" hex heads for tight-clearance installations\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eCorrosion-resistant black-finished header hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e304 stainless steel collector hardware\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDesigned for Small Block Chevy V8 engines\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eEngine Compatibility\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eDesigned for compatible Chevy Small Block V8 engines:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\u003cspan\u003e265, 283, 302, 305, 307, 327, 350, and 400 CID\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eSuitable for muscle cars, classic restorations, street rods, and performance builds.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-spread=\"false\"\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eTotal Pieces:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 36\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHeader Bolts:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 12\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eWashers:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 12\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCollector Bolts:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 6\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCollector Nuts:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 6\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHeader Bolt Material:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Heat-Treated 42CrMo Alloy Steel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eCollector Hardware:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 304 Stainless Steel\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eBolt Head Size:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 5\/16\" Hex\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eHeader Bolt Rating:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Grade 8 Specification\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003cspan\u003eFinish:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Black Phosphate\/Blackened Coating\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eInstallation Recommendations\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eUse anti-seize lubricant and follow the header or engine manufacturer's torque specifications. The supplied recommendation is \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e25–30 ft-lbs\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, but confirm the correct torque for your specific bolts and header application before tightening. Recheck fasteners after the initial heat cycle when appropriate.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cspan\u003eFrequently Asked Questions\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat is included in this kit?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe kit includes 12 header bolts, 12 washers, 6 collector bolts, and 6 collector nuts.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhich engines does this kit fit?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eIt is designed for compatible Small Block Chevy engines ranging from 265 to 400 CID. Verify your header's bolt and collector requirements before ordering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eAre the collector bolts stainless steel?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. The collector bolts and nuts are made from 304 stainless steel.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eWhat is the benefit of the compact hex head?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe 5\/16\" hex head helps improve tool access in confined engine bays and around header tubes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eIs this kit suitable for performance builds?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eYes. It is suitable for compatible street performance, restoration, muscle car, and custom exhaust applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eHave questions about compatibility?\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e Contact us with your engine and header details before ordering.\u003c\/span\u003e\u003c\/p\u003e","brand":"Certified Automotive Experts","offers":[{"title":"Default Title","offer_id":67690029842754,"sku":"CAE-HBS-36-B","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0716\/4664\/2498\/files\/8453fc7f-e0e3-4b46-96bd-677b200d5512.jpg?v=1791472331","url":"https:\/\/certifiedautomotiveexperts.com\/products\/36-piece-header-bolt-kit-3-8-16-x-1-black-grade-8-steel-bolts-with-washers-304-stainless-collector-flange-bolts-and-nuts-compact-5-16-hex-flange-black-phosphate-coated-fits-small-block-chevy-sbc","provider":"Certified Automotive Experts","version":"1.0","type":"link"}