{"product_id":"arp-head-stud-kit-bmw-n54-625","title":"Preorder: BMW N54 ARP Head Stud Kit - Custom Age 625+","description":"\u003cp\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline; color: rgb(255, 42, 0);\"\u003ePreorders expected to ship December 2026.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis genuine ARP Head Stud Kit is tailored specifically for the N54 engine.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eIt's crucial to emphasize that this head stud kit is \u003cstrong\u003eNOT\u003c\/strong\u003e the typical ARP2000 stud, but rather the Custom Age 625+ stud which is ARP's best material they make. \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWe are the only store with access to sell the Custom Age 625+ head stud kit for the N54 from ARP. \u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cstrong\u003e Custom Age 625+\u003c\/strong\u003e kit includes: \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(14) 11mm ARP Head Studs\u003c\/li\u003e\n\u003cli\u003e(14) ARP Nuts for 11mm Studs\u003c\/li\u003e\n\u003cli\u003e(14) ARP Washers designed for 11mm Studs\u003c\/li\u003e\n\u003cli\u003eARP Ultra-Torque Fastener Lubricant \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eInstallation of the \u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eCustom Age 625+\u003c\/strong\u003e kit requires drilling and tapping the four 9mm holes in the engine block to enlarge them to 11mm, ensuring compatibility with all 14 studs. \u003c\/p\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":52515993583847,"sku":"ARP-HSK-N54-625","price":999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/5126\/8583\/files\/Screenshot2026-08-24at11.54.37AM.png?v=1787597701","url":"https:\/\/epoxy54.com\/products\/arp-head-stud-kit-bmw-n54-625","provider":"EPOXY54","version":"1.0","type":"link"}