{"product_id":"pmo-carburetor-syncrometer-porsche-911-1965-1989","title":"PMO Carburetor Syncrometer — Airflow Balancing Tool, Made in Germany | PMO \u0026 Weber Carbs (PM-O401-0)","description":"\u003cp\u003eYou cannot tune six throttle bores by ear. The \u003cstrong\u003ePMO Carburetor Syncrometer (PM-O401-0)\u003c\/strong\u003e is the German-made airflow gauge that turns carburetor balancing from guesswork into a measurement — seat it over one throat, read the flow, move to the next, and adjust until they match. It's the difference between an engine that idles and one that idles \u003cem\u003eright\u003c\/em\u003e.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect airflow measurement\u003c\/strong\u003e at each throttle bore, so you balance to a number instead of a feel.\u003c\/li\u003e\n\u003cli\u003eMade in Germany — the pattern shops have relied on for decades of air-cooled work.\u003c\/li\u003e\n\u003cli\u003eWorks across multi-carburetor setups: PMO and Weber alike.\u003c\/li\u003e\n\u003cli\u003eBuy it once; it outlasts the engine you bought it for.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eConfirmed:\u003c\/strong\u003e Balancing PMO and Weber carburetors on air-cooled Porsche 911 and 930 engines.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e this is a shop tool, not a vehicle-specific part — it suits any multi-carburetor air-cooled setup where the gauge can seat over the throat. A second body style is available as PM-O402-0 (Bosch-knob pattern).\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart number: PM-O401-0\u003c\/li\u003e\n\u003cli\u003eType: Carburetor airflow syncrometer (SK body)\u003c\/li\u003e\n\u003cli\u003eUPC: 707924555554\u003c\/li\u003e\n\u003cli\u003eCountry of origin: Germany\u003c\/li\u003e\n\u003cli\u003eShipping weight: 0.3 lb\u003c\/li\u003e\n\u003cli\u003eBoxed dimensions: 4.5 x 4.5 x 3.5 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eQuestions \u0026amp; Answers\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat does a syncrometer do?\u003c\/strong\u003e It measures airflow through each carburetor throat so you can balance multiple carburetors to each other accurately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWill it work on Weber carbs?\u003c\/strong\u003e Yes — it suits both PMO and Weber multi-carburetor setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow is this different from PM-O402-0?\u003c\/strong\u003e PM-O402-0 is the Bosch-knob style body; this is the standard SK pattern.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat's the part number?\u003c\/strong\u003e PM-O401-0.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAre you an authorized dealer?\u003c\/strong\u003e Yes — Washburn's Metal is an authorized PMO dealer.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e⚠️ 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","brand":"PMO","offers":[{"title":"Default Title","offer_id":45259276484723,"sku":"PM-O401-0","price":92.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/PM-O401-0-1-scaled.jpg?v=1784322070","url":"https:\/\/www.washburnsmetal.com\/products\/pmo-carburetor-syncrometer-porsche-911-1965-1989","provider":"Washburn's Metal","version":"1.0","type":"link"}