{"product_id":"arp-subaru-fa20-2-0l-4cyl-head-stud-kit","title":"ARP Head Stud Kit for Subaru BRZ, Forester, WRX, Toyota 86, Scion FR-S (FA20 2.0L 4Cyl)","description":"\u003cp\u003eThis ARP head stud kit replaces the factory head bolts on the FA20 2.0L 4-cylinder engine shared across the Subaru BRZ, Forester, WRX, Toyota 86, and Scion FR-S, giving the cylinder head a more even, consistent clamping load than a bolt can provide.\u003c\/p\u003e\u003cp\u003eBecause a stud is installed finger-tight and only torqued through the nut, it isn't twisted during installation the way a head bolt is, which keeps the clamping force reading accurate and repeatable through repeated head removals, useful for engines that get built or serviced more than once.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePremium Alloy Construction:\u003c\/strong\u003e Precision heat treated chromoly studs offer significantly more strength than factory head bolts.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eStud \u0026amp; Nut Design:\u003c\/strong\u003e Removes the torque-induced twisting that a factory head bolt experiences, improving clamping consistency.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCenterless Ground:\u003c\/strong\u003e Each stud is centerless ground after heat treat for near-perfect concentricity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of head studs\u003c\/li\u003e\n\u003cli\u003eNuts\u003c\/li\u003e\n\u003cli\u003eWashers\u003c\/li\u003e\n\u003cli\u003eARP Ultra-Torque fastener assembly lubricant\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eScion FR-S (13-16)\u003c\/li\u003e\n\u003cli\u003eSubaru BRZ (13-17)\u003c\/li\u003e\n\u003cli\u003eSubaru Forester (14-15)\u003c\/li\u003e\n\u003cli\u003eSubaru WRX (15)\u003c\/li\u003e\n\u003cli\u003eToyota 86 (17)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eImportant Notes\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConfirm your specific engine is the naturally aspirated or turbocharged FA20 variant, since head stud requirements can differ between them.\u003c\/li\u003e\n\u003cli\u003eARP part number 260-4301.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhy Choose ARP\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eARP was founded in the early 1970s by Gary Holzapfel, a fastener engineer with an aerospace background who saw too many race engines let down by broken factory bolts. That focus on fastener integrity still drives the company today: ARP studs and bolts are precision heat treated, centerless ground for concentricity, and thread rolled after heat treat for maximum fatigue strength, all manufactured in the USA.\u003c\/p\u003e","brand":"ARP","offers":[{"title":"Default Title","offer_id":51978905846081,"sku":"ARP260-4301","price":281.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0835\/9362\/5921\/files\/arp-head-stud-kit-for-subaru-brz-forester-wrx-toyota-86-scion-fr-s-fa20-20l-4cyl-6434037.jpg?v=1784507710","url":"https:\/\/lunaticsco.com\/products\/arp-subaru-fa20-2-0l-4cyl-head-stud-kit","provider":"Lunaticsco","version":"1.0","type":"link"}