{"product_id":"iag-performance-fire-lock-ring-100mm-head-gaskets-for-14mm-head-studs-pair-subaru-ej25-iag-eng-1741","title":"IAG Performance Fire-Lock Ring 100mm Head Gaskets for 14mm Head Studs PAIR","description":"\u003cp\u003e\u003ca href=\"https:\/\/www.prospeedracing.com.au\/IAG-Performance-Fire-Lock-Ring-100mm-Head-Gaskets-for-14mm-Head-Studs-PAIR-Subaru-EJ25-IAG-ENG-1740\" style=\"text-decoration:none\"\u003e \u003c\/a\u003e\u003c\/p\u003e  \u003cp\u003eAfter years of research and development testing, the IAG Performance Fire-Lock head gasket is the newest solution to preventing head gasket failure on high horsepower and high boost Subaru EJ25 engines. This solution is loosely derived from diesel technology where a counterbore step is machined around each cylinder bore allowing specially sized fire rings to drop into the machined area and head gasket bores. The shims are designed to create a compression seal once the heads are installed and torqued into place. IAG fire rings are manufactured to a very strict tolerance from a proprietary alloy and are then put through a heat treatment process. The gaskets are manufactured from an asbestos-free composite raw material and feature a silicone based beading applied to critical areas to improve sealing around all water and oil passages. The combination of the alloy compression shims and gaskets assure maximum sealing for a Subaru EJ25 turbocharged engine.\u003c\/p\u003e  \u003cp\u003e*The IAG Fire-Lock gaskets require machine work for installation and are recommended for use with 14mm head stud hardware.\u003c\/p\u003e  \u003cp\u003e*The gaskets are sold in pairs with four Fire-lock rings.\u003c\/p\u003e  \u003cp\u003e \u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003eComposite Material\u003c\/li\u003e \t\u003cli\u003eIAG-Spec Alloy Ring\u003c\/li\u003e \t\u003cli\u003eSpecifically designed for 14mm Head Studs\u003c\/li\u003e \t\u003cli\u003eSilicone Beading\u003c\/li\u003e \t\u003cli\u003e100mm Bore\u003c\/li\u003e \t\u003cli\u003e.051\" Thickness\u003c\/li\u003e \t\u003cli\u003eIntended for High Horsepower, High Boost applications\u003c\/li\u003e \t\u003cli\u003eIAG ARP 14mm Head Studs Required\u003c\/li\u003e \t\u003cli\u003eGaskets sold in pairs\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e \u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eInstall Notes:\u003c\/strong\u003e\u003c\/p\u003e  \u003col\u003e \t\u003cli\u003eIf a block or cylinder head was previously o-ringed the groove must be filled and resurfaced before using this type of gasket.\u003c\/li\u003e \t\u003cli\u003eThese gaskets require IAG ARP 14mm head studs to achieve the required torque necessary for proper installation.\u003c\/li\u003e \t\u003cli\u003eDue to the required torque, any block that was previously honed will need to go to the next size overbore.\u003c\/li\u003e \t\u003cli\u003eFuture servicing will require cylinder head resurfacing due to an imprint left from the Fire-lock rings.\u003c\/li\u003e \u003c\/ol\u003e  \u003cp\u003e \u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003eVehicle Fitment:\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e \t\u003cli\u003e2006-2007 Subaru WRX (EJ25)\u003c\/li\u003e \t\u003cli\u003e2008-2014 Subaru WRX (EJ25)\u003c\/li\u003e \t\u003cli\u003e2006-2007 Subaru STI (EJ25)\u003c\/li\u003e \t\u003cli\u003e2008-2014 Subaru STI (EJ25)\u003c\/li\u003e \t\u003cli\u003e2015-2021 Subaru STI (EJ25)\u003c\/li\u003e \t\u003cli\u003e2003-2008 Subaru Forester XT (EJ25)\u003c\/li\u003e \t\u003cli\u003e2008-2013 Subaru Forester XT (EJ25)\u003c\/li\u003e \t\u003cli\u003e2007-2009 Subaru Liberty GT (EJ25)\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e\u003ca href=\"https:\/\/www.prospeedracing.com.au\/IAG-Performance-Fire-Lock-Ring-100mm-Head-Gaskets-for-14mm-Head-Studs-PAIR-Subaru-EJ25-IAG-ENG-1740\" style=\"text-decoration:none\"\u003e \u003c\/a\u003e\u003c\/p\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":49201434460463,"sku":"IAG-ENG-1741","price":659.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/3903\/9279\/files\/IAG-ENG-1741.jpg?v=1712727261","url":"https:\/\/www.prospeedracing.com.au\/products\/iag-performance-fire-lock-ring-100mm-head-gaskets-for-14mm-head-studs-pair-subaru-ej25-iag-eng-1741","provider":"Pro Speed Racing","version":"1.0","type":"link"}