{"product_id":"generic-1906-4-barrel-carburetor-650-cfm-satin-finish-electric-choke-annular-flow-booster","title":"Generic 1906 4-Barrel Carburetor 650 CFM Satin Finish — Electric Choke, Annular Flow Booster","description":"\u003cstrong\u003eHigh-flow 1906 4-barrel carburetor with a 650 CFM rating and electric choke, built as a satin-finish replacement compatible with Edelbrock AVS2 650 CFM square-flange systems.\u003c\/strong\u003e\n\n\u003cp\u003eThis replacement carburetor is a direct-fit option for vehicles using the 1906 AVS2 Series 650 CFM 4-barrel square-bore setup. Crafted from lightweight die-cast aluminum and fitted with an electric choke, it aims to deliver stable idle behavior, better throttle responsiveness, and reliable operation under heat and pressure. The unit ships pre-tested and includes the gaskets and hardware needed for installation.\u003c\/p\u003e\n\n\u003ch3\u003eWhat does this carburetor replace and which engines is it compatible with?\u003c\/h3\u003e\n\u003cp\u003eIt’s designed as a replacement for the 1906 AVS2 650 CFM 4-barrel carburetor with a square-flange mounting pattern. Use this unit where the original Edelbrock AVS2 650 CFM square-bore carburetor is specified or when the inlet and flange dimensions match.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits 4-barrel square-flange 650 CFM AVS2 applications\u003c\/li\u003e\n  \u003cli\u003eDual fuel inlet ports for common fuel line arrangements\u003c\/li\u003e\n  \u003cli\u003ePre-calibrated for typical street and light performance use\u003c\/li\u003e\n  \u003cli\u003eCheck flange bolt pattern and throttle linkage for fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the electric choke affect starting and warm-up?\u003c\/h3\u003e\n\u003cp\u003eThe factory-style electric choke simplifies cold starts by automatically enriching the mixture until the engine warms. It removes the need for manual choke adjustments, smoothing transitions from cold idle to normal operation while reducing stalling risk during warm-up.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomatic operation wired to ignition power for consistent warm-up\u003c\/li\u003e\n  \u003cli\u003eReduces manual choke adjustments and associated errors\u003c\/li\u003e\n  \u003cli\u003eHelps maintain steady idle during temperature changes\u003c\/li\u003e\n  \u003cli\u003eRequires proper wiring and adjustment for optimal performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat performance and build features improve throttle response and durability?\u003c\/h3\u003e\n\u003cp\u003eThe carburetor uses an annular flow booster design and calibrated metering to promote smoother throttle transitions and predictable power delivery. Lightweight die-cast aluminum construction improves heat resistance and reduces distortion compared with cheaper materials.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e650 CFM rating balances airflow for many street V8s and mild builds\u003c\/li\u003e\n  \u003cli\u003eAnnular flow boosters for better fuel atomization under load\u003c\/li\u003e\n  \u003cli\u003eDie-cast aluminum body resists warping at high temperatures\u003c\/li\u003e\n  \u003cli\u003ePre-tested units and included hardware simplify serviceability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and how easy is installation?\u003c\/h3\u003e\n\u003cp\u003eThe package includes the carburetor plus the gaskets and mounting hardware needed for a straightforward swap. Because the unit is pre-tested and comes with clear mounting hardware, most installations are manageable for home mechanics familiar with carb swaps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eComplete gasket set and mounting bolts included\u003c\/li\u003e\n  \u003cli\u003ePre-calibrated settings for common street usage\u003c\/li\u003e\n  \u003cli\u003eSimple throttle and choke linkage connections required\u003c\/li\u003e\n  \u003cli\u003eManufacturer support available for fitment questions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This carburetor is intended for enthusiasts, restorers, and DIY mechanics replacing or upgrading a 650 CFM square-bore AVS2 carburetor on street-driven V8s and light-performance builds. Choose this unit if you need a direct-fit replacement with an electric choke, durable aluminum construction, and pre-tested components for reliable daily or weekend driving.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this carburetor a direct replacement for Edelbrock AVS2 650 CFM?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it is built to replace 650 CFM AVS2 square-flange carburetors but verify flange pattern and linkage compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does the electric choke require wiring?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the electric choke must be wired to a switched 12V source for automatic cold-start operation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Generic","offers":[{"title":"Default Title","offer_id":67585065975993,"sku":"B0FC2SX1TT","price":313.58,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/generic-1906-carburetor-front-view.jpg?v=1790465869","url":"https:\/\/redleafauto.ca\/products\/generic-1906-4-barrel-carburetor-650-cfm-satin-finish-electric-choke-annular-flow-booster","provider":"Redleaf Auto","version":"1.0","type":"link"}