{"product_id":"empi-gtv-2-stage-3-cnc-wedge-ported-heads-94mm-44-37-5mm-ss-big-valves-210-cfm-pair-part-98-1437-b","title":"EMPI GTV-2 Stage 3 CNC Wedge Ported Heads | VW Type 1 94mm | 44\/37.5mm SS Valves, 210 CFM, Pair (98-1437-B)","description":"\u003ch2\u003e\u003cb\u003eEMPI GTV-2 Stage 3 CNC Wedge Ported Heads — 94mm, 44\/37.5mm SS Valves, 210 CFM, Pair (98-1437-B)\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eThis is the top of the EMPI GTV-2 wedge-port range. The Stage 3 heads (98-1437-B) are CNC-machined to the \u003cb\u003emaximum wedge port\u003c\/b\u003e and cut for huge \u003cb\u003e44mm intake \/ 37.5mm exhaust Manley Race Master valves\u003c\/b\u003e — they flow up to \u003cb\u003e210 CFM\u003c\/b\u003e out of the box for serious bolt-on horsepower.\u003c\/p\u003e\n\u003cp\u003eMachined for \u003cb\u003e94mm bore\u003c\/b\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 high-performance \/ racing builds running 94mm bore with high-lift, high-RPM cams — 1914cc, 2110cc, 2276cc, 2332cc. \u003cb\u003eNot confirmed:\u003c\/b\u003e stock 85.5mm or 90.5\/92mm 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 Stage 3 is EMPI's maximum-flow GTV-2 wedge head, cut on a 5-axis CNC mill for consistent porting and flowing up to 210 CFM.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eKey Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cb\u003e94mm bore, GTV-2 dual port casting.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eStage 3 wedge-port CNC machining:\u003c\/b\u003e flows 210 CFM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e5-axis CNC mill:\u003c\/b\u003e for repeatable, consistent porting.\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003e44mm intake \/ 37.5mm exhaust stainless Manley Race Master valves.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eDual hi-rev valve springs.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eChromoly retainers and hardened Manley valve locks.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eBronze valve guides.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003e64cc combustion chamber.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003e80cc intake volume \/ 75cc exhaust volume.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003ePorts 20% larger than stock.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eCustom intake gasket included.\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003e12mm 3\/4\" reach spark plug holes (recommend NGK DCPR8E).\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\u003eCompetition 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 Manley Race Master\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFlow:\u003c\/b\u003e 210 CFM @ .650\" lift\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCombustion Chamber:\u003c\/b\u003e 64cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eIntake Volume:\u003c\/b\u003e 80cc | Exhaust Volume: 75cc\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePort:\u003c\/b\u003e Stage 3 CNC wedge\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSprings:\u003c\/b\u003e dual hi-rev\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e 98-1437-B | UPC: 707924443905\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\u003eHow much do they flow?\u003c\/b\u003e Up to 210 CFM at .650\" lift, out of the box.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHow is this different from the 98-1434-B Stage 3?\u003c\/b\u003e This 98-1437-B uses 44\/37.5mm valves; the 98-1434-B is the 42\/37.5mm version.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWhat bore are these for?\u003c\/b\u003e 94mm pistons (1914-2332cc).\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\u003eWhat's the part number?\u003c\/b\u003e EMPI 98-1437-B (UPC 707924443905).\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 (NGK DCPR8E recommended) 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":44924463710323,"sku":"98-1437-B","price":1937.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/98-1437-B_Pair-scaled.jpg?v=1778012060","url":"https:\/\/www.washburnsmetal.com\/products\/empi-gtv-2-stage-3-cnc-wedge-ported-heads-94mm-44-37-5mm-ss-big-valves-210-cfm-pair-part-98-1437-b","provider":"Washburn's Metal","version":"1.0","type":"link"}