{"product_id":"exhaust-header-bolt-kit-m8-x-1-25-x-30mm-16-pieces","title":"Exhaust Header Bolt Kit M8 x 1.25 x 30MM 16 Pieces","description":"\u003ch2\u003ePART #1624\u003c\/h2\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eFEATURES:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDirect Replacement for BBK Header to Head Flange Bolts\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDurable Black Oxide Finish\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eComplete Set of 16\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\n\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSize: M8 x 1.25 x 30MM\u003c\/span\u003e\u003cbr\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003e\u003c\/strong\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eVEHICLE FITMENT:\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n\u003cul\u003e\n\u003cli style=\"font-weight: bold; color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eALL Ford \u0026amp; Dodge Charger, Challenger ONLY Engines That Use Size: M8 x 1.25 x 30MM Header Bolts - (Does NOT FIT RAM)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(0, 0, 0);\"\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eFits ALL Ford 4.6L \u0026amp; Dodge 5.7\/6.1\/6.4\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003cpre\u003e\u003cspan style=\"font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(0, 0, 0);\"\u003eThe most important factor for leak-free header gaskets is the way that the header gasket is installed.\u003c\/span\u003e\u003c\/pre\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(0, 0, 0);\"\u003eIt is very important to follow the installation instructions when installing the gaskets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(0, 0, 0);\"\u003e\u003cstrong\u003eThe Gasket Installation steps to follow are:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(0, 0, 0);\"\u003e1st check the exhaust header flange is straight with a metal straight edge. \u003cbr\u003eInstall headers and gaskets and tighten bolts tight to correct torque starting in the middle of the header flange and working out on both sides.\u003cbr\u003eRun the engine and allow the headers to get hot.\u003cbr\u003eShut the engine down and allow the engine to cool.\u003cbr\u003eWhen cool re tighten the header bolts again to correct torque.\u003cbr\u003eOperate the vehicle for 200 to 300 miles.\u003cbr\u003eWhen the engine is cool re tighten the bolts one more time to correct torque\u003cbr\u003eIf this procedure is followed, the header bolts should remain tight, and the gaskets should last for many years. \u003cbr\u003eChecking the bolts once in a while is also a good idea - just make sure that everything remains tight, and you don’t blow a header gasket.\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cpre\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cb\u003e\u003cspan style=\"font-size: 11.0pt; font-family: 'Calibri',sans-serif;\"\u003e\u003c\/span\u003e\u003c\/b\u003e\u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003c\/span\u003e\u003c\/pre\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e\u003cb\u003eWorks on Most Headers\u003c\/b\u003e\u003c\/span\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eBBK header bolts for Ford Modular engine feature a 25mm under head length, making them them long enough to work with all BBK headers or any other headers with up to a 3\/8\" flange.\u003c\/span\u003e\u003c\/p\u003e","brand":"BBK Performance","offers":[{"title":"Default Title","offer_id":47805287268610,"sku":"1624","price":26.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/5583\/7442\/files\/1624_2.jpg?v=1779323215","url":"https:\/\/curvedracing.com\/products\/exhaust-header-bolt-kit-m8-x-1-25-x-30mm-16-pieces","provider":"Curved Racing","version":"1.0","type":"link"}