{"product_id":"empi-pro-sync-deluxe-carburetor-synchronizer-2-adapter-kit-43-5712-0","title":"EMPI Pro-Sync Deluxe Carburetor Synchronizer | VW \u0026 Porsche Multi-Carb | Dual Boot Adapter Kit (43-5712-0)","description":"\u003ch2\u003e\u003cb\u003eEMPI Pro-Sync Deluxe Carburetor Synchronizer — Includes 2 Boot Adapters (43-5712-0)\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eEliminate the guesswork and synchronization headaches with the \u003cb\u003eEMPI Pro-Sync Deluxe Kit\u003c\/b\u003e. This precision-engineered tool is essential for anyone running dual-carburetor setups on air-cooled Volkswagens, Porsches, or any multi-carb vintage engine. By measuring actual airflow volume, it lets you perfectly balance your carburetors for a smooth idle, crisp throttle response, and maximum power.\u003c\/p\u003e\n\u003cp\u003eThe Pro-Sync uses a highly sensitive, \u003cb\u003enon-restrictive design\u003c\/b\u003e that allows the engine to breathe naturally while you take measurements. This Deluxe kit includes \u003cb\u003etwo different rubber boot adapters\u003c\/b\u003e for maximum versatility across carburetor throat sizes and intake configurations.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eVehicle Fitment\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eVW Type 1, 2 \u0026amp; 3:\u003c\/b\u003e All years — ideal for balancing dual HPMX, IDF, Dell'Orto DRLA, or Kadron carburetors\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePorsche 356 \u0026amp; 912:\u003c\/b\u003e All years — synchronize Zenith or Solex 40 PII units\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCustom \u0026amp; performance builds:\u003c\/b\u003e Weber IDA (48\/51mm) setups, large-bore strokers, and European side-draft carbs such as Weber DCOE and SU\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eWhy Choose EMPI?\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eEMPI is a trusted name in air-cooled tuning tools. The Pro-Sync is built to professional-grade standards with robust construction designed to withstand daily use in a busy restoration shop.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eKey Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eDual Adapter Kit:\u003c\/b\u003e Two distinct boot sizes for a universal fit across a wide range of applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eNon-Restrictive Flow:\u003c\/b\u003e Unlike older bubble-style gauges, the Pro-Sync won't choke the engine or cause stalling during use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Precision Scale:\u003c\/b\u003e Easy-to-read 1–30 kg\/h numbered scale for ultra-fine tuning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eVersatile Application:\u003c\/b\u003e Designed for both down-draft and side-draft carburetors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eProfessional Grade:\u003c\/b\u003e Robust construction built for daily shop use.\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\u003eScale:\u003c\/b\u003e 1–30 kg\/h numbered airflow scale\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAdapters:\u003c\/b\u003e Two rubber boot adapters included\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCarburetor Types:\u003c\/b\u003e Down-draft and side-draft\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePart Number:\u003c\/b\u003e 43-5712-0\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 many adapters come with the kit?\u003c\/b\u003e Two different rubber boot adapters are included, covering a range of carburetor throat sizes and intake configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWill it work on side-draft carburetors?\u003c\/b\u003e Yes. The Pro-Sync is designed for both down-draft and side-draft carburetors, including Weber DCOE and SU setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eI run a balance tube between my manifolds — anything to watch for?\u003c\/b\u003e Temporarily plug the balance tube while using the Pro-Sync so you get an isolated, accurate reading from each individual carburetor barrel.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cb\u003eExplore Related Categories\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eDialing in your carbs? Browse our \u003ca href=\"\/collections\/fuel-intake\"\u003eFuel \u0026amp; Intake\u003c\/a\u003e parts, pick up more \u003ca href=\"\/collections\/restoration-tools\"\u003eRestoration Tools\u003c\/a\u003e, and shop the full \u003ca href=\"\/collections\/all-vw-aircooled\"\u003eAir-Cooled VW\u003c\/a\u003e catalog.\u003c\/p\u003e","brand":"EMPI","offers":[{"title":"Default Title","offer_id":44888902991987,"sku":"43-5712-0","price":68.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/43-5712-0-500x242.jpg?v=1776924417","url":"https:\/\/www.washburnsmetal.com\/products\/empi-pro-sync-deluxe-carburetor-synchronizer-2-adapter-kit-43-5712-0","provider":"Washburn's Metal","version":"1.0","type":"link"}