{"product_id":"weber-40mm-idf-dual-carburetor-kit-type-1-dual-port-chrome-air-cleaners","title":"Weber 40mm IDF Dual Carburetor Kit — Type 1 Dual Port, Chrome Air Cleaners | VW Beetle, Super Beetle, Ghia, Bus \u0026 Thing (43-7317-0)","description":"\u003cp\u003e\u003cstrong\u003eBolt-on dual-carb power for your Type 1.\u003c\/strong\u003e The Weber 40mm IDF Dual Carburetor Kit (43-7317-0) trades a tired single carb or a fussy stock setup for a matched pair of genuine Weber 40 IDF carburetors — the induction upgrade that wakes up a dual-port 1600 and keeps pulling on a built 1776 or 1835. Everything you need bolts on: aluminum manifolds, center-pull linkage, and chrome air cleaners, so you go from box to running without chasing down adapters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy builders reach for the 40 IDF\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Weber 40mm IDF carburetors\u003c\/strong\u003e — a dedicated carb feeding each pair of cylinders for crisp throttle response and even fueling, with the legendary IDF tunability: swap jets, not carbs, as your engine grows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum intake manifolds\u003c\/strong\u003e — correct runner length and a clean port match for Type 1 dual-port heads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter-pull hex-bar linkage\u003c\/strong\u003e — smooth, synchronized throttle actuation that holds its sync once you set it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChrome air cleaners with high-flow gauze elements\u003c\/strong\u003e — real filtration and a finished look under the deck lid.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete hardware pack\u003c\/strong\u003e — fuel line, gaskets, and all mounting hardware included, so there's no second shopping list.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eConfirmed fit for \u003cstrong\u003edual-port Type 1 engines\u003c\/strong\u003e in:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVW Beetle — 1971–1979\u003c\/li\u003e\n\u003cli\u003eVW Super Beetle — 1971–1980\u003c\/li\u003e\n\u003cli\u003eVW Karmann Ghia — 1971–1974\u003c\/li\u003e\n\u003cli\u003eVW Thing (Type 181) — 1973–1974\u003c\/li\u003e\n\u003cli\u003eVW Transporter Bus \u0026amp; Pickup (1.6L upright) — 1971–1974\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis kit is built for \u003cstrong\u003edual-port cylinder heads\u003c\/strong\u003e. It is not for single-port heads, the Type 3 pancake engine, or the Type 4 engine — see our Type 3 and Type 2\/4\/914 kits for those platforms. Running a hotter cam or more displacement? The 40 IDF re-jets easily to match your combination.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 43-7317-0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarburetors:\u003c\/strong\u003e Genuine Weber 40mm IDF (matched pair)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Dual carburetor, dual port\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir cleaners:\u003c\/strong\u003e Chrome housings with high-flow gauze elements\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn the box:\u003c\/strong\u003e Two Weber 40 IDF carburetors, aluminum intake manifolds, linkage, chrome air cleaners, fuel line, gaskets, and mounting hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping weight:\u003c\/strong\u003e 20.2 lb · \u003cstrong\u003eBoxed:\u003c\/strong\u003e 31 × 11 × 9 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUPC:\u003c\/strong\u003e 707924221558\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCommon questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWill this fit my 1969 Beetle?\u003c\/strong\u003e The kit is designed for 1971–1979 dual-port Type 1 engines. Earlier 1600 dual-port engines can run it — just confirm your heads are dual-port before ordering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIs it genuine Weber or a copy?\u003c\/strong\u003e Genuine Weber 40 IDF carburetors, not an imitation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDo I need anything else to run it?\u003c\/strong\u003e The kit includes manifolds, linkage, air cleaners, fuel line, gaskets, and hardware. You supply fuel delivery — a low-pressure pump\/regulator around 3–4 psi is recommended — and correct jetting for your build.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat's the part number?\u003c\/strong\u003e 43-7317-0 (UPC 707924221558).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAre you an authorized dealer?\u003c\/strong\u003e Yes — Washburn's Metal is an authorized EMPI dealer, and these are genuine Weber carburetors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e⚠ WARNING (California Proposition 65):\u003c\/strong\u003e This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to \u003ca href=\"https:\/\/www.p65warnings.ca.gov\"\u003ewww.p65warnings.ca.gov\u003c\/a\u003e. Parts are legal for use on pre-pollution-controlled vehicles only.\u003c\/p\u003e","brand":"Washburn's Metal","offers":[{"title":"Default Title","offer_id":45234264113267,"sku":"43-7317-0","price":1400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/43-7317-0-scaled.jpg?v=1783965282","url":"https:\/\/shop.washburnsmetal.com\/products\/weber-40mm-idf-dual-carburetor-kit-type-1-dual-port-chrome-air-cleaners","provider":"Washburn's Metal","version":"1.0","type":"link"}