{"product_id":"verify-p-n-empi-gtv-2-l7-cnc-ported-heads-90-5-92mm-44-37-5mm-ss-valves-dual-spring-pair","title":"EMPI GTV-2 L7 CNC Ported Heads | VW Type 1 90.5\/92mm | 44\/37.5mm SS Valves, Pair (98-1554-B)","description":"\u003ch2\u003e\u003cb\u003eEMPI GTV-2 L7 CNC Ported Heads — 90.5\/92mm, 44\/37.5mm SS Valves, Pair (98-1554-B)\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eThe L7 port is part of EMPI's high-end racing head lineup — a flow profile built for serious horsepower-per-displacement on high-RPM Type 1 engines, carrying forward much of what \u003cb\u003eDRD Racing Heads\u003c\/b\u003e offered. EMPI's GTV-2 L7 CNC heads (98-1554-B) are machined for \u003cb\u003e90.5\/92mm bore\u003c\/b\u003e with \u003cb\u003e44×37.5mm stainless valves\u003c\/b\u003e and \u003cb\u003ecompetition dual springs\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eSold as a matched pair.\u003c\/b\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eVehicle Fitment\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eVW Beetle:\u003c\/b\u003e 1971-1979\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVW Bus:\u003c\/b\u003e 1971-1979\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVW Karmann Ghia:\u003c\/b\u003e 1971-1974\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVW Type 3:\u003c\/b\u003e 1971-1973\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVW Thing:\u003c\/b\u003e 1973-1975\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eConfirmed:\u003c\/b\u003e VW Type 1 dual-port racing builds running 90.5mm or 92mm bore with high-lift \/ high-RPM cams — 1776cc, 1835cc, 1914cc. \u003cb\u003eNot confirmed:\u003c\/b\u003e stock 85.5mm or 94mm bore, single-port engines, Type 4 engines.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eWhy Choose EMPI?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe L7 is one of EMPI's high-end racing CNC ports, optimized for horsepower-per-displacement on high-RPM engines.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eKey Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cb\u003e90.5mm \/ 92mm bore, GTV-2 dual port casting.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eL7 CNC port profile:\u003c\/b\u003e cut on a 5-axis CNC mill.\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003e44mm intake \/ 37.5mm exhaust stainless valves.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eCompetition dual valve springs.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eChromoly retainers and hardened keepers.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eBronze valve guides.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eCustom-fit gaskets included.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003e12mm 3\/4\" reach spark plug holes.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eRocker, exhaust, and intake studs included.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eHi-Performance 3-angle valve job.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eSold as a matched pair.\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eValves:\u003c\/b\u003e 44mm intake \/ 37.5mm exhaust, stainless\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSprings:\u003c\/b\u003e competition dual\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePort:\u003c\/b\u003e L7 CNC\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSpark plugs:\u003c\/b\u003e 12mm 3\/4\" reach\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e 98-1554-B | UPC: 707924472219\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSold as:\u003c\/b\u003e matched pair\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eWhat's the L7 port for?\u003c\/b\u003e High-end racing flow optimized for horsepower-per-displacement on high-RPM engines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWhat bore are these for?\u003c\/b\u003e 90.5mm and 92mm pistons (1776-1914cc).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDo I need lash caps?\u003c\/b\u003e Yes — required with stainless valves, sold separately (00-4006-0).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSold each or as a pair?\u003c\/b\u003e Matched pair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWhat's the part number?\u003c\/b\u003e EMPI 98-1554-B (UPC 707924472219).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAre you an authorized dealer?\u003c\/b\u003e Yes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eInstallation\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eLash caps (P\/N 00-4006-0) are required for all stainless steel valve applications — sold separately. 12mm long-reach spark plugs must be used in place of stock Bosch plugs. Verify rocker arm geometry and check for coil bind with dual springs.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003eExplore Related Categories\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/engine-parts\"\u003eEngine Parts\u003c\/a\u003e · \u003ca href=\"\/collections\/all-vw-aircooled\"\u003eAll VW Air-Cooled\u003c\/a\u003e · \u003ca href=\"\/collections\/vw-beetle\"\u003eVW Beetle\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eProp 65 Warning\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eWARNING: This product can expose you to chemicals including lead which are known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov. All parts legal for use on pre-pollution controlled vehicles only.\u003c\/p\u003e","brand":"EMPI","offers":[{"title":"Default Title","offer_id":44924466790515,"sku":"98-1554-B","price":2024.7,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/98-1554-B_Pair-scaled.jpg?v=1778012191","url":"https:\/\/www.washburnsmetal.com\/products\/verify-p-n-empi-gtv-2-l7-cnc-ported-heads-90-5-92mm-44-37-5mm-ss-valves-dual-spring-pair","provider":"Washburn's Metal","version":"1.0","type":"link"}