{"product_id":"arp-bmw-2-3l-s14-4cyl-head-stud-kit","title":"ARP BMW 2.3L (S14) 4cyl Head Stud Kit","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e201-4605\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 672036041533\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eARP 1988-1991 BMW M3 2.3L S14 Head Stud Kit\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eARP head stud kit 201-4605 upgrades the cylinder head fastening on 1988-1991 BMW E30 M3 models with the 2.3L S14 four-cylinder engine. These studs maintain secure clamp load under high cylinder pressures from boosted or high-rpm setups. Built for daily drivers and race cars needing dependable head sealing.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eARP2000 Alloy Studs:\u003c\/strong\u003e Rated at 220,000 psi tensile strength to handle extreme boost and nitrous applications without stretching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStud Design:\u003c\/strong\u003e Distributes torque evenly across block threads to prevent damage and ensure repeatable accuracy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision-Rolled Threads:\u003c\/strong\u003e Provide maximum thread engagement for consistent clamping and resistance to fatigue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-Point Nuts:\u003c\/strong\u003e Included with hardened washers for precise torque application and secure locking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication-Specific Kit:\u003c\/strong\u003e Complete set with parallel ground washers tailored for S14 head installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eInspect head gasket surface flatness before installation to achieve proper sealing\u003c\/li\u003e\n\u003cli\u003eUse ARP Ultra-Torque lubricant on threads and under nut faces for accurate torque values\u003c\/li\u003e\n\u003cli\u003eShips in protective ARP packaging to prevent damage during transit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eTorque to ARP specs: 60 ft-lbs initial then 75 ft-lbs final in sequence. recheck after 500 miles\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM head bolts holes. no machine work required on E30 M3 blocks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1988-1991\u003c\/td\u003e\n\u003ctd\u003eBMW\u003c\/td\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose ARP?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eARP fasteners power NHRA and SCCA champions with proven reliability\u003c\/li\u003e\n\u003cli\u003eEvery stud undergoes rigorous testing for strength and fatigue resistance\u003c\/li\u003e\n\u003cli\u003eEngineered in the USA with exact fitment for BMW S14 applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will this kit fit my 1988-1991 BMW E30 M3 with S14 engine?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes ARP 201-4605 is direct fit for all US-spec 1988-1991 BMW M3 2.3L S14B23 engines including Evolution models\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are the studs made from?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e ARP2000 proprietary alloy with 220,000 psi tensile strength and black oxide finish for corrosion resistance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and torque procedure?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Lifetime warranty against manufacturing defects. follow ARP torque sequence with Ultra-Torque lube for 75 ft-lbs final torque\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or USPS Priority\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Secure ARP box measuring 9 x 7 x 2 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.98 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":43739353743439,"sku":"ARP201-4605","price":160.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/arp-bmw-2_3l-s14-4cyl-head-stud-kit-arp.jpg?v=1768370646","url":"https:\/\/www.blackopsautoworks.com\/products\/arp-bmw-2-3l-s14-4cyl-head-stud-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}