{"product_id":"5150-arp-b38-main-stud-kit","title":"B38 Main Stud Kit by ARP","description":"\u003cp\u003eThe BMW B38 engine is compact, turbocharged, and capable of impressive performance, but its \u003cstrong\u003efactory main bolts are a weak point\u003c\/strong\u003e when power levels increase. The\u003cstrong\u003e ARP Main Stud Kit\u003c\/strong\u003e upgrades your B38 engine with race-proven studs, providing superior clamping force, block stability, and protection under extreme conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits of ARP Main Studs for the B38:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniform Clamping Force:\u003c\/strong\u003e Ensures even pressure across main bearing caps for precise crank alignment and long-term reliability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Block Stability \u0026amp; Rigidity:\u003c\/strong\u003e Maximizes power transfer, improves throttle response, increases horsepower and torque\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrevents Main Cap Walk:\u003c\/strong\u003e Keeps main caps securely in place, protecting crankshaft and engine integrity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduced Fastener Stretch:\u003c\/strong\u003e High-quality ARP studs resist deformation under high RPM and high-load applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtects Engine Block Threads:\u003c\/strong\u003e Precision machining and unmatched tensile strength reduce risk of stripped or deformed threads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhether building a \u003cstrong\u003eBMW i8, 118i, 218i, or MINI Cooper B38\u003c\/strong\u003e, ARP Main Studs provide the reinforcement your engine needs to handle \u003cstrong\u003eboosted, high-RPM, and high-horsepower builds\u003c\/strong\u003e. This simple upgrade offers \u003cstrong\u003epeace of mind and long-term durability\u003c\/strong\u003e for any B38 performance project.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cem\u003eWhen opting for main studs instead of factory bolts,\u003c\/em\u003e\u003c\/strong\u003e\u003cstrong style=\"color: rgb(255, 11, 11);\"\u003e\u003cem\u003e it's important to note that the engine builder should mic the bores.\u003c\/em\u003e\u003c\/strong\u003e\u003cspan style=\"color: rgb(255, 11, 11);\"\u003e \u003c\/span\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eUsi\u003c\/span\u003eng studs may require a line hone to ensure proper fitment and alignment. A line hone is a machining process that can be used to resize and reshape the main bearing bores, ensuring that they are perfectly round and concentric. \u003cstrong\u003e\u003cem\u003eThis is crucial for ensuring proper oil clearance and preventing premature bearing wear.\u003c\/em\u003e\u003c\/strong\u003e By mic'ing the bores and performing a line hone if necessary, engine builders can ensure that the main studs are installed correctly and that the engine will perform reliably and at its best.\u003c\/p\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\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":68329793093831,"sku":"ARP-MSK-B38","price":9724.86,"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_ee6858d6-af1e-4a0a-906b-b6e2ca473fa1.jpg?v=1794334032","url":"https:\/\/icode-egypt.com\/products\/5150-arp-b38-main-stud-kit","provider":"iCode - EG","version":"1.0","type":"link"}