{"product_id":"iag-fire-lock-head-gaskets-93-5mm-bore-1-3mm-thickness-pair-subaru-wrx-sti-lgt-fxt-iag-eng-1745","title":"IAG Performance Fire Lock Head Gaskets 93.5mm Bore 1.3mm Thickness PAIR","description":"\u003ca href=\"https:\/\/www.prospeedracing.com.au\/IAG-Fire-Lock-Head-Gaskets-93.5mm-Bore-1.3mm-Thickness-PAIR-Subaru-WRX\/STI\/LGT\/FXT-IAG-ENG-1745\" style=\"text-decoration:none\"\u003e \u003c\/a\u003e\u003cp\u003eThe IAG Performance Fire-Lock head gasket solution was created after years of research and development testing to prevent head gasket failure on high horsepower and high boost Subaru EJ Series 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 EJ20 turbocharged engine.\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003e*The IAG Fire-Lock gaskets require machine work for installation and are recommended for use with 14mm head stud hardware.\u003c\/strong\u003e\u003c\/p\u003e  \u003cp\u003e\u003cstrong\u003e*The gaskets are sold in pairs with four Fire-Lock rings.\u003c\/strong\u003e\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\u003e93.50mm 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\u003e1994-2000 Subaru WRX (EJ20)\u003c\/li\u003e \t\u003cli\u003e2001-2005 Subaru WRX (EJ20)\u003c\/li\u003e \t\u003cli\u003e1994-2000 Subaru WRX (EJ20)\u003c\/li\u003e \t\u003cli\u003e2001-2005 Subaru WRX (EJ20)\u003c\/li\u003e \t\u003cli\u003e1989-1993 Subaru Liberty RS (EJ20)\u003c\/li\u003e \t\u003cli\u003e1994-1998 Subaru Liberty RS (EJ20)\u003c\/li\u003e \t\u003cli\u003e1999-2003 Subaru Liberty B4 (EJ20)\u003c\/li\u003e \t\u003cli\u003e2004-2006 Subaru Liberty GT (EJ20)\u003c\/li\u003e \t\u003cli\u003e1998-2002 Subaru Forester GT (EJ20)\u003c\/li\u003e \u003c\/ul\u003e  \u003cp\u003e \u003c\/p\u003e \u003ca href=\"https:\/\/www.prospeedracing.com.au\/IAG-Fire-Lock-Head-Gaskets-93.5mm-Bore-1.3mm-Thickness-PAIR-Subaru-WRX\/STI\/LGT\/FXT-IAG-ENG-1745\" style=\"text-decoration:none\"\u003e \u003c\/a\u003e","brand":"IAG Performance","offers":[{"title":"Default Title","offer_id":49201434525999,"sku":"IAG-ENG-1745","price":659.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0848\/3903\/9279\/files\/IAG-ENG-1745.jpg?v=1712727265","url":"https:\/\/www.prospeedracing.com.au\/products\/iag-fire-lock-head-gaskets-93-5mm-bore-1-3mm-thickness-pair-subaru-wrx-sti-lgt-fxt-iag-eng-1745","provider":"Pro Speed Racing","version":"1.0","type":"link"}