{"product_id":"arp-ford-03-duratec-2-3l-head-stud-kit","title":"ARP Ford 03 Duratec 2.3L Head Stud Kit","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e151-4204\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 672036029074\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eARP 2003-2007 Ford Focus Duratec 2.3L Head Stud Kit\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eARP 151-4204 Head Stud Kit targets Ford 2.3L Duratec engines in 2003-2007 Focus models including ZX3, ZX5, and ST variants. This kit secures the cylinder head with dependable clamp load to handle boosted power and high-rpm demands without distortion. Built for racers and daily drivers seeking repeatable torque and engine integrity.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8740 Chromoly Steel:\u003c\/strong\u003e Heat-treated to 200,000 psi tensile strength resists fatigue in high-stress environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStud Design:\u003c\/strong\u003e Minimizes block thread damage and ensures accurate torque retention over multiple heat cycles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRolled Threads:\u003c\/strong\u003e Increases engagement depth by 25-30 percent for consistent fastening under load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatched Hardware:\u003c\/strong\u003e Includes washers and instructions for bolt-on simplicity and correct sequencing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Use Durability:\u003c\/strong\u003e Handles street commuting, drag strip abuse, or track days without compromise\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm 2.3L Duratec engine code before ordering for exact match\u003c\/li\u003e\n\u003cli\u003eLubricate with ARP Ultra-Torque for precise torque values and gasket sealing\u003c\/li\u003e\n\u003cli\u003eSecurely boxed for protection during transit with foam inserts\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\u003eChase cylinder head and block threads with ARP tap kit prior to assembly\u003c\/li\u003e\n\u003cli\u003eCompatible with factory head gaskets and MLS upgrades. torque in ARP-specified sequence\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\u003e2003-2004\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eFocus\u003c\/td\u003e\n\u003ctd\u003eLX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003-2004\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eFocus\u003c\/td\u003e\n\u003ctd\u003eSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2007\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eFocus\u003c\/td\u003e\n\u003ctd\u003eST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003-2004\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eFocus\u003c\/td\u003e\n\u003ctd\u003eZTS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003-2004\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eFocus\u003c\/td\u003e\n\u003ctd\u003eZTW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003-2004\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eFocus\u003c\/td\u003e\n\u003ctd\u003eZX3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2005-2006\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eFocus\u003c\/td\u003e\n\u003ctd\u003eZX4 ST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2003-2004\u003c\/td\u003e\n\u003ctd\u003eFord\u003c\/td\u003e\n\u003ctd\u003eFocus\u003c\/td\u003e\n\u003ctd\u003eZX5\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\u003eDecades of dominance in motorsports with fasteners trusted by championship teams\u003c\/li\u003e\n\u003cli\u003eExtensive material testing ensures strength beyond OEM limits\u003c\/li\u003e\n\u003cli\u003ePrecision machining and thread rolling for flawless fit and load distribution\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 Does this kit fit 2004 Ford Focus ZX3 with 2.3L Duratec?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes, ARP 151-4204 directly replaces OEM bolts on 2003-2004 ZX3, ZX5, and compatible 2.3L Duratec models for secure head retention.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material and strength rating do these studs have?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Constructed from 8740 chromoly steel, induction hardened and stress-relieved to ARP's 200,000 psi rating for superior holding power.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty coverage is provided?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e ARP stands behind the kit with a limited lifetime warranty when installed per instructions and registered on their site.\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\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 ARP-branded box 8 x 6 x 1 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.1 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":43739352170575,"sku":"ARP151-4204","price":192.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/arp-ford-03-duratec-2_3l-head-stud-kit-arp.jpg?v=1768370595","url":"https:\/\/www.blackopsautoworks.com\/products\/arp-ford-03-duratec-2-3l-head-stud-kit","provider":"Black Ops Auto Works","version":"1.0","type":"link"}