{"product_id":"empi-44-hpmx-carburetor-carb-only-single-setup-w-velocity-stacks-part-47-1012-2","title":"EMPI 44 HPMX Carburetor | VW Type 1 Single-Carb Builds | 44mm IDF-Style, Velocity Stacks (47-1012-2)","description":"\u003ch2\u003e\u003cb\u003eEMPI 44 HPMX Carburetor | 44mm IDF-Style Downdraft (Carb Only, Single-Carb Jetting)\u003c\/b\u003e\u003c\/h2\u003e\u003cp\u003eEMPI's 44 HPMX 44mm carburetor \u003cb\u003ejetted for single-carb installations\u003c\/b\u003e — the largest HPMX-series carb available as a single-carb setup. It offers precise air and fuel metering with fully adjustable circuits, changeable jets and venturis, and an adjustable accelerator pump. Includes \u003cb\u003echrome velocity stacks\u003c\/b\u003e. Tuned richer than the dual-setup version to handle single-carb fuel demand on big-bore Type 1 builds.\u003c\/p\u003e\u003ch3\u003e\u003cb\u003eVehicle Fitment\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eVW Type 1 (dual-port):\u003c\/b\u003e single-carb performance builds\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e1776cc–2110cc engines\u003c\/b\u003e wanting a big single carburetor\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOff-road:\u003c\/b\u003e sand rails and dune buggies running single-carb HPMX setups\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cb\u003eWhy Choose EMPI?\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003eThe HPMX series is EMPI's race-proven performance carburetor line, engineered for total tunability. The 44mm throat is the biggest single-barrel option in the lineup for hot-rodded stroker builds.\u003c\/p\u003e\u003ch3\u003e\u003cb\u003eKey Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eSingle-setup jetting\u003c\/b\u003e (richer than the dual configuration)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e44mm IDF-style downdraft design\u003c\/b\u003e — biggest single-barrel option\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eChrome velocity stacks included\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eBest for hot-rodded single-carb stroker builds\u003c\/b\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cb\u003eWeber 44 IDF parts interchange\u003c\/b\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDesign:\u003c\/b\u003e 44mm IDF-style downdraft\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVenturis:\u003c\/b\u003e 30mm (larger than the dual-setup version)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eFactory jetting (single setup):\u003c\/b\u003e Main 140 \/ Idle 60 \/ Air Correction 160 \/ Pump 50 \/ Ex. Pump 350 \/ E-Tube F-11\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSold as:\u003c\/b\u003e single carburetor (chrome velocity stacks included)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInterchange:\u003c\/b\u003e Weber 44 IDF\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRebuild kits:\u003c\/b\u003e 00-2362-0 or 00-9949-0 (Deluxe 43-5813-0)\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e 47-1012-2\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eIs this jetted for single or dual carb use?\u003c\/b\u003e Single-carb — it is tuned richer than the dual-setup version.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWill the jets and parts interchange with other carbs?\u003c\/b\u003e Yes, parts interchange with the Weber 44 IDF.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAre velocity stacks included?\u003c\/b\u003e Yes — chrome velocity stacks are included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003e\u003cb\u003eExplore Related Categories\u003c\/b\u003e\u003c\/h3\u003e\u003cp\u003eBuilding a performance top end? Browse our \u003ca href=\"\/collections\/fuel-intake\"\u003eFuel \u0026amp; Intake\u003c\/a\u003e for carbs, manifolds, and linkage, our \u003ca href=\"\/collections\/engine\"\u003eEngine\u003c\/a\u003e catalog, and the full \u003ca href=\"\/collections\/all-vw-aircooled\"\u003eAir-Cooled VW\u003c\/a\u003e collection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e 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 \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" target=\"_blank\" rel=\"noopener\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e. Wash hands following installation or before eating. All parts legal for use on pre-pollution controlled vehicles only.\u003c\/p\u003e","brand":"Washburn's Metal","offers":[{"title":"Default Title","offer_id":44924804038771,"sku":"47-1012-2","price":339.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/47-1012-2.jpg?v=1778015849","url":"https:\/\/www.washburnsmetal.com\/products\/empi-44-hpmx-carburetor-carb-only-single-setup-w-velocity-stacks-part-47-1012-2","provider":"Washburn's Metal","version":"1.0","type":"link"}