{"product_id":"arp-head-stud-kit-bmw-s54","title":"ARP Head Stud Kit, BMW S54","description":"\u003cp\u003eStrengthen the bottom end of your BMW S54 engine with the ARP Head Stud Kit, BMW S54, delivering far greater clamping force and sealing than the factory fasteners. Engineered by ARP (Automotive Racing Products), this head stud kit is built to the standards demanded by high-performance and motorsport BMW builds.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned for BMW S54 engine\u003c\/li\u003e\n\u003cli\u003eSignificantly increased clamping force over OEM fasteners\u003c\/li\u003e\n\u003cli\u003eImproved head gasket sealing and cylinder head clamping\u003c\/li\u003e\n\u003cli\u003eIdeal for stroker, supercharged and turbocharged builds\u003c\/li\u003e\n\u003cli\u003eRe-usable — superior to single-use OEM torque-to-yield bolts\u003c\/li\u003e\n\u003cli\u003eManufactured from premium, specially heat-treated materials\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple type options to suit your build\u003c\/li\u003e\n\u003cli\u003eSupplied by ARP (Automotive Racing Products), trusted by BMW enthusiasts worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cp\u003eStrengthen the bottom end of your BMW S54B32 \/ S54 engines with the ARP Head Stud Kit, BMW S54, delivering far greater clamping force and sealing than the factory fasteners. Engineered by ARP (Automotive Racing Products), this head stud kit is built to the standards demanded by high-performance and motorsport BMW builds.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eDesigned for BMW S54B32 \/ S54 engines\u003c\/li\u003e\n\u003cli\u003eSignificantly increased clamping force over OEM fasteners\u003c\/li\u003e\n\u003cli\u003eImproved head gasket sealing and cylinder head clamping\u003c\/li\u003e\n\u003cli\u003eIdeal for stroker, supercharged and turbocharged builds\u003c\/li\u003e\n\u003cli\u003eRe-usable — superior to single-use OEM torque-to-yield bolts\u003c\/li\u003e\n\u003cli\u003eManufactured from premium, specially heat-treated materials\u003c\/li\u003e\n\u003cli\u003eAvailable in multiple type options to suit your build\u003c\/li\u003e\n\u003cli\u003eSupplied by ARP (Automotive Racing Products), trusted by BMW enthusiasts worldwide\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eProduct Details\u003c\/h4\u003e\u003cp\u003eThe ARP 201-4303 head stud kit is custom-designed for the \u003cstrong\u003eBMW S54\u003c\/strong\u003e inline 6-cylinder engine and serves as a replacement for the BMW head bolts 11127831862 commonly found in E46 M3 and E36\/7 Z3 M Roadster, Z4 M Coupe and Roadster, and E46 M3 CSL.\u003c\/p\u003e\u003cp\u003eBy installing ARP head studs on an S54 engine, you can enjoy several benefits, including increased clamping force and improved head gasket sealing, which can help prevent head gasket failure. This is especially crucial for high-performance, stroker, supercharged, or turbocharged engines, where increased cylinder pressure can place extra stress on the head gasket and bolts.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eARP2000\u003c\/strong\u003e\u003c\/h4\u003e\u003ch4\u003e\u003cstrong\u003eStrength: 220,000 psi\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003eARP2000 is a heavily alloyed steel that receives special heat treatment and tempering for strength and hardness. \u003cstrong\u003eARP2000 is a well-established choice in motorsport and performance applications, as well as standard engine rebuilds.\u003c\/strong\u003e ARP2000 hardware is celebrated by engine builders for its high tensile strength and \u003cstrong\u003emuch greater quality than OEM fasteners.\u003c\/strong\u003e\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eCustom Age 625+\u003c\/strong\u003e\u003c\/h4\u003e\u003ch4\u003e\u003cstrong\u003eStrength: 280,000 psi\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eARP’s Custom Age 625+ is a newly formulated super-alloy which offers superior fatigue cycle life, tensile strength, and toughness.\u003c\/strong\u003e CA625+ hardware is celebrated for its high tensile strength and fatigue resistance, \u003cem\u003e\u003cstrong\u003emaking it necessary for stroker, supercharged, and turbocharged applications \u003c\/strong\u003e\u003c\/em\u003ewhere elevated cylinder pressures place extra stress on the head gasket and fasteners.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation Instructions: \u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e1. To ensure proper thread engagement and accurate torque readings, clean ALL threads in the block. Chase if necessary with ARP Thread Chaser.\u003c\/p\u003e\u003cp\u003e2. Clean and inspect all hardware prior to installation. Look for obvious defects or shipping damages, plus proper fit, length and dimension.\u003c\/p\u003e\u003cp\u003e3. If the cylinder head studs protrude into a water jacket, lubricate the block threads of the studs with ARP THREAD SEALER.\u003c\/p\u003e\u003cp\u003e4. Screw studs into the block “HAND TIGHT ONLY”.\u003c\/p\u003e\u003cp\u003e5. Install the cylinder head(s) and check for binding or misalignment.\u003c\/p\u003e\u003cp\u003e6. Lubricate the stud threads, nuts and washers with ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT.\u003c\/p\u003e\u003cp\u003eThen install the washers and the nuts onto the studs and tighten them hand tight.\u003c\/p\u003e\u003cp\u003eARP recommends using the ARP ULTRA-TORQUE FASTENER ASSEMBLY LUBRICANT that is provided with each kit as opposed to motor oil. This is due to higher friction on the studs as well as inconsistencies in the clamping force of the fasteners when motor oil or other low quality lubricants are used.\u003c\/p\u003e\u003cp\u003ePRELOAD (TORQUE) RECOMMENDATIONS\u003c\/p\u003e\u003cp\u003e7. Following the manufacturers recommended torque sequence tighten the nuts steps 1-3\u003c\/p\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eARP2000\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStep 1: Tighten to 35 ft-lbs. \u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStep 2: Tighten to 70 ft-lbs.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e Step 3: Tighten to 105 ft-lbs. \u003c\/strong\u003ewith ARP Ultra-Torque fastener assembly lubricant \u003c\/p\u003e\u003cp\u003e\u003cem\u003e\u003cstrong\u003eCA 625+\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStep 1: Tighten to 35 ft-lbs.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStep 2: Tighten to 70 ft-lbs.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStep 3: Tighten to 100 ft-lbs.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003ewith ARP Ultra-Torque fastener assembly lubricant \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBolt Torque Sequence\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e 12 \u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e14 \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cem\u003ePlease note: After initial assembly, it is necessary to allow the engine to complete a full heat cycle, then re-torque your head studs to spec. This means allowing the engine to warm up to its normal operating temperature, remain at operating temperature for several minutes to ensure each component is uniformly heated, then turned off and cooled completely to ambient temperature.\u003c\/em\u003e\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eBMW S54 Applications:\u003c\/strong\u003e\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBMW 3 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2000-2006 E46 M3\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBMW Z3 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2001-2002 Z3 M\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eBMW Z4 Series\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e2006-2008 Z4 M\u003c\/p\u003e\u003ch4\u003eType Options\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eARP2000\u003c\/li\u003e\n\u003cli\u003eCustom Age 625+\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eBMW S54 Models\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW E46 M3\u003c\/li\u003e\n\u003cli\u003eBMW Z3 M Roadster \/ Coupe\u003c\/li\u003e\n\u003cli\u003eBMW Z4 M Roadster \/ Coupe\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhy Choose ARP (Automotive Racing Products)?\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eGlobal leader in performance engine fasteners\u003c\/li\u003e\n\u003cli\u003ePremium materials with specialist heat treatment\u003c\/li\u003e\n\u003cli\u003eManufactured in-house in the USA\u003c\/li\u003e\n\u003cli\u003eTrusted from street rebuilds to professional motorsport\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eWhy Buy from R44 Performance?\u003c\/h4\u003e\u003cp\u003eR44 Performance supplies premium BMW performance and engine-building components trusted by enthusiasts worldwide.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW specialists\u003c\/li\u003e\n\u003cli\u003eGenuine ARP (Automotive Racing Products) products\u003c\/li\u003e\n\u003cli\u003eFast UK \u0026amp; worldwide shipping\u003c\/li\u003e\n\u003cli\u003eExpert product support\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUpgrade your BMW S54B32 \/ S54 build with the ARP Head Stud Kit, BMW S54 — available now from R44 Performance.\u003c\/p\u003e\u003ch3\u003eType Options\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eARP2000\u003c\/li\u003e\n\u003cli\u003eCustom Age 625+\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eBMW S54 Models\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW E46 M3\u003c\/li\u003e\n\u003cli\u003eBMW Z3 M Roadster \/ Coupe\u003c\/li\u003e\n\u003cli\u003eBMW Z4 M Roadster \/ Coupe\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Choose ARP (Automotive Racing Products)?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGlobal leader in performance engine fasteners\u003c\/li\u003e\n\u003cli\u003ePremium materials with specialist heat treatment\u003c\/li\u003e\n\u003cli\u003eManufactured in-house in the USA\u003c\/li\u003e\n\u003cli\u003eTrusted from street rebuilds to professional motorsport\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy Buy from R44 Performance?\u003c\/h3\u003e\u003cp\u003eR44 Performance supplies premium BMW performance and engine-building components trusted by enthusiasts worldwide.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW specialists\u003c\/li\u003e\n\u003cli\u003eGenuine ARP (Automotive Racing Products) products\u003c\/li\u003e\n\u003cli\u003eFast UK \u0026amp; worldwide shipping\u003c\/li\u003e\n\u003cli\u003eExpert product support\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eUpgrade your BMW S54 build with the ARP Head Stud Kit, BMW S54 — available now from R44 Performance.\u003c\/p\u003e","brand":"ARP","offers":[{"title":"ARP2000","offer_id":57549757940094,"sku":"ARP-201-4303","price":187.0,"currency_code":"GBP","in_stock":true},{"title":"Custom Age 625+","offer_id":57549757972862,"sku":"ARP-HSK-S54-CA","price":748.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0280\/7568\/8011\/files\/ARP-Head-Stud-Kits_2f8c7a7b-aef6-445f-98d4-a8419ff79366.jpg?v=1781531992","url":"https:\/\/r44performance.com\/products\/arp-head-stud-kit-bmw-s54","provider":"R44 Performance","version":"1.0","type":"link"}