{"product_id":"pmo-carburetor-base-gasket-set-porsche-911-1965-1989","title":"PMO Carburetor Base Gasket Set — 46mm, 6-Piece | Air-Cooled Porsche 911 (PM-O133-0)","description":"\u003cp\u003eA weeping carburetor base is the cheapest fault on an air-cooled 911 to fix and the most maddening to live with — fuel smell in the engine bay, a lean cylinder you can't dial out, and an idle that never quite settles. The \u003cstrong\u003ePMO 46mm Carburetor Base Gasket Set (PM-O133-0)\u003c\/strong\u003e gives you all six fresh gaskets in one box so you seal the whole engine at once instead of chasing one throttle bore at a time.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSix gaskets per set\u003c\/strong\u003e — one per throttle bore, enough to do both carburetors in a single sitting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSized specifically for 46mm carburetor bases\u003c\/strong\u003e — not a universal gasket trimmed to fit.\u003c\/li\u003e\n\u003cli\u003eManufactured in the USA by PMO.\u003c\/li\u003e\n\u003cli\u003eCorrect thickness and bolt-hole spacing to seat flat on the manifold flange without crushing.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eConfirmed:\u003c\/strong\u003e 46mm PMO carburetor installations on air-cooled Porsche 911 and 930 engines. Also used under 46mm Weber-based setups running the same base pattern.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes NOT fit:\u003c\/strong\u003e 40mm carburetors (use PM-O132-0) or 50mm carburetors (use PM-O134-0). Measure your carburetor base before ordering — this is the single most common mis-order on gasket sets.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePart number: PM-O133-0\u003c\/li\u003e\n\u003cli\u003eSize: 46mm\u003c\/li\u003e\n\u003cli\u003eQuantity: 6 pieces\u003c\/li\u003e\n\u003cli\u003eUPC: 707924552355\u003c\/li\u003e\n\u003cli\u003eCountry of origin: United States\u003c\/li\u003e\n\u003cli\u003eShipping weight: 0.02 lb\u003c\/li\u003e\n\u003cli\u003eBoxed dimensions: 6 x 4 x 1 in\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eQuestions \u0026amp; Answers\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow many gaskets come in the set?\u003c\/strong\u003e Six — one per throttle bore, enough for both carburetors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWill this fit my 40mm PMO carbs?\u003c\/strong\u003e No. This is the 46mm set. Order PM-O132-0 for 40mm or PM-O134-0 for 50mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat's the part number?\u003c\/strong\u003e PM-O133-0.\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\u003cli\u003e\n\u003cstrong\u003eHow does it ship?\u003c\/strong\u003e Standard ground or air; no hazmat restrictions.\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":45259276419187,"sku":"PM-O133-0","price":11.38,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0278\/2760\/1523\/files\/PM-O133-0-scaled.jpg?v=1784322066","url":"https:\/\/www.washburnsmetal.com\/products\/pmo-carburetor-base-gasket-set-porsche-911-1965-1989","provider":"Washburn's Metal","version":"1.0","type":"link"}