{"product_id":"5150-bmw-b46-main-stud-kit","title":"BMW B46 ARP Main Stud Kit","description":"\u003cp class=\"\"\u003eUpgrade your BMW B46 bottom end with this ARP Main Stud Kit—a crucial reinforcement for high-horsepower, high-RPM builds. ARP Main Studs replace the factory main bolts with precision-engineered hardware made from premium materials to handle extreme pressure and stress where it matters most.\u003c\/p\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eWhy Upgrade to ARP Main Studs on Your B46?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStronger, More Reliable Clamping\u003c\/strong\u003e\u003cbr\u003eOEM bolts can’t match the consistent clamping force of ARP Main Studs. This ensures precise crank alignment, improves main cap stability, and promotes long-term engine durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlock Rigidity Under Boost\u003c\/strong\u003e\u003cbr\u003eARP Main Studs increase structural rigidity across the block, helping maintain bearing alignment under high cylinder pressures. The result: more efficient power transfer, faster throttle response, and reduced distortion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect Against Main Cap Walk\u003c\/strong\u003e\u003cbr\u003ePrevent main cap movement—a common issue in high-power builds that leads to crank and bearing damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimize Fastener Stretch\u003c\/strong\u003e\u003cbr\u003eARP’s advanced alloys and machining resist stretching and thread fatigue even under extreme loads and sustained high RPMs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePreserve Your Block Threads\u003c\/strong\u003e\u003cbr\u003eWith higher tensile strength and precise thread engagement, ARP Main Studs reduce the risk of pulling or damaging threads in the engine block.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cspan\u003eInstallation Instructions\u003c\/span\u003e\u003c\/h3\u003e\n\u003col start=\"1\"\u003e\n\u003cli\u003eThoroughly clean all threaded holes in the engine block. If necessary, use an ARP thread chaser to ensure clean threads and proper engagement.\u003c\/li\u003e\n\u003cli\u003eInspect all studs, nuts, and washers for damage and verify proper fit, length, and dimensions before installation.\u003c\/li\u003e\n\u003cli\u003eInstall the main studs into the engine block by hand until snug. Do not overtighten.\u003c\/li\u003e\n\u003cli\u003eInstall the main caps and check for proper fit, alignment, and any binding.\u003c\/li\u003e\n\u003cli\u003eApply ARP Ultra-Torque Fastener Assembly Lubricant to the stud threads, nuts, washers, and washer contact surfaces.\u003c\/li\u003e\n\u003cli\u003eInstall the washers and nuts and tighten them by hand. Do not substitute motor oil or other lubricants for ARP Ultra-Torque.\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"isSelectedEnd\"\u003eFollowing the manufacturer's recommended main-cap tightening sequence, torque all main stud nuts progressively in three steps using ARP Ultra-Torque:\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eStep 1:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 20 ft-lbs\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eStep 2:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 40 ft-lbs\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003e\u003cspan\u003eStep 3:\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e 60 ft-lbs\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eAfter final torque, measure the main bearing bores and verify proper size, roundness, and alignment.\u003c\/li\u003e\n\u003cli\u003eIf necessary, line hone the main bores with the ARP main studs installed and torqued to specification.\u003c\/li\u003e\n\u003cli\u003eVerify final main bearing oil clearances before engine assembly.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"\"\u003e \u003c\/p\u003e\u003chr\u003e\u003cp\u003e\u003cstrong\u003eSupplied in Egypt by iCode — the official 5150 AutoSport dealer.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cem\u003ePrice shown in EGP is an estimate at today's exchange rate. Final price confirmed after shipping and customs fees.\u003c\/em\u003e\u003c\/p\u003e","brand":"ARP Automotive Racing Products","offers":[{"title":"Default Title","offer_id":68329811312839,"sku":"ARP-MSK-B46","price":10805.46,"currency_code":"EGP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0778\/2108\/3847\/files\/ARP-Main-Stud-Kit-for-BMW-Engines_4376c909-61e3-4ce6-916f-68b17dce9b0d.jpg?v=1794334119","url":"https:\/\/icode-egypt.com\/products\/5150-bmw-b46-main-stud-kit","provider":"iCode - EG","version":"1.0","type":"link"}