{"product_id":"empi-28mm-main-venturi-for-40-44-hpmx-44-idf-empi-quality-replacement-porsche-912-914-356-43-5625-0","title":"EMPI 28mm Main Venturi for HPMX \u0026 Weber 44 IDF — low-rpm signal | Porsche 356\/912\/914 1948-1976 (43-5625-0)","description":"\u003cp\u003eA small, low-revving flat-four makes its best power on a strong intake signal, not a cavernous throat. This tight 28mm main venturi sharpens that signal in a 40\/44 HPMX or 44 IDF, waking throttle response low in the rev range.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine EMPI 28mm main venturi for 40\/44 HPMX and Weber 44 IDF\u003c\/li\u003e\n\u003cli\u003eTight 28mm bore boosts low-rpm signal and drivability\u003c\/li\u003e\n\u003cli\u003eSets the carb's primary fuel and airflow curve\u003c\/li\u003e\n\u003cli\u003ePress-fit replacement for a worn or mismatched venturi\u003c\/li\u003e\n\u003cli\u003eSold individually; run matched sizes across both carbs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Fits EMPI 40\/44 HPMX and Weber 44 IDF carburetors on Porsche 912 (1965-1976), 914 (1970-1976) and 356 through 356SC (1948-1965). If you are unsure this fits your car, contact us with your year and model before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePart number: 43-5625-0\u003c\/li\u003e\n\u003cli\u003eManufacturer: EMPI\u003c\/li\u003e\n\u003cli\u003eBoxed dimensions: 2 x 1 x 1 in\u003c\/li\u003e\n\u003cli\u003eShipping weight: 0.3 lb\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eQuestions \u0026amp; Answers\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDoes this fit my Porsche?\u003c\/strong\u003e Yes, it fits any air-cooled Porsche or VW running an EMPI 40\/44 HPMX or Weber 44 IDF carburetor.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is this part?\u003c\/strong\u003e The main venturi meters the carb's primary airflow and fuel signal; 28mm is a small size that strengthens low-rpm response.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the part number?\u003c\/strong\u003e Genuine EMPI part number 43-5625-0, sized 28mm for 40\/44 HPMX and 44 IDF.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre you an authorized dealer?\u003c\/strong\u003e Yes — Washburn's Metal is an authorized EMPI dealer, so this is genuine EMPI, not a copy.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow does it ship?\u003c\/strong\u003e ships standard ground from our Orange, California shop\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e⚠ California Proposition 65 Warning:\u003c\/strong\u003e This product can expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"EMPI 28mm Main Venturi for HPMX \u0026 Weber 44 IDF \\u2014 low-rpm signal | Porsche 356\/912\/914 1948-1976 (43-5625-0)\",\"sku\":\"43-5625-0\",\"mpn\":\"43-5625-0\",\"brand\":{\"@type\":\"Brand\",\"name\":\"EMPI\"},\"description\":\"EMPI 28mm main venturi sharpens low-rpm signal on 40\/44 HPMX and 44 IDF carbs for Porsche 912, 914, 356. Genuine EMPI, Orange, CA.\",\"offers\":{\"@type\":\"Offer\",\"priceCurrency\":\"USD\",\"price\":\"28.50\",\"availability\":\"https:\/\/schema.org\/InStock\",\"seller\":{\"@type\":\"Organization\",\"name\":\"Washburn's Metal\"}},\"gtin12\":\"707924274639\"}\u003c\/script\u003e","brand":"EMPI","offers":[{"title":"Default Title","offer_id":45307952398451,"sku":"43-5625-0","price":28.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/43-5625-0.jpg?v=1785946485","url":"https:\/\/shop.washburnsmetal.com\/products\/empi-28mm-main-venturi-for-40-44-hpmx-44-idf-empi-quality-replacement-porsche-912-914-356-43-5625-0","provider":"Washburn's Metal","version":"1.0","type":"link"}