{"product_id":"edelbrock-carburetor-thunder-series-4-barrel-800-cfm-manual-choke-calibration-satin-finish","title":"Edelbrock Carburetor Thunder Series 4-Barrel 800 CFM Manual Choke Calibration Satin Finish","description":"Edelbrock's Annular Flow Booster technology brings superior fuel atomization to all high-horsepower small- and big-block engines with the AVS2 800 CFM Manual Choke Carburetor #1912 that is specially calibrated to make power. Annular Flow Boosters deliver near EFI-like drivability that you can feel as soon as you step on the gas. Fuel distribution is refined by eight equally spaced orifices in the booster rings that replace down-leg boosters which simply dump raw fuel into the venturi. Flat spots are completely eliminated, and throttle response in the low- to mid-RPM range is improved tremendously without sacrificing that top-end power that Edelbrock is known for. The AVS2 is unaffected by engine backfires since there are no power valves to blow out. For fast and simple part-throttle tuning, metering rods and springs can be changed in seconds without carburetor removal or fuel draining. AVS2 carbs have the unique ability to \"hold a tune\" when compared to other carburetors. Your tuning and adjustments stay unchanged, so performance remains consistent. Updated primary and secondary booster clusters in the AVS2 offer the most accurate and up-to-date calibration available for today's fuels and octane levels. Additionally, the unique Qwik-Tune Secondary Air Valve allows for limitless calibration of the secondary circuit. Adjustments can be with simple hand tools in seconds to suit your application. The AVS2 features a two-piece ease-of-tuning design that lets you make float level adjustments or replace internal components without draining the fuel from the carburetor or removing it from the engine. The AVS2 800 CFM #1912 comes with a manual (#1912) or electric (#1913) choke in satin or chrome-like EnduraShine finish. All AVS2 Series carburetors, like Edelbrock's popular Performer Series and Thunder Series AVS, are designed, manufactured, assembled and calibrated by Edelbrock in the USA.","brand":"Edelbrock","offers":[{"title":"Default Title","offer_id":43170373009473,"sku":"EDE1912","price":464.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0553\/2637\/6001\/files\/12c4ddaf955e71b07de52cc83bda3bbe_afdce07a-2777-4237-87c2-e251c45ca1d3.jpg?v=1765576489","url":"https:\/\/shop.kingsperformance.com\/en-ca\/products\/edelbrock-carburetor-thunder-series-4-barrel-800-cfm-manual-choke-calibration-satin-finish","provider":"Kings Performance","version":"1.0","type":"link"}