{"product_id":"performer-series-550-cfm-square-bore-four-barrel-c","title":"Performer Series 550 CFM Square Bore Four Barrel Carburetor With Manual Choke Secondary Air Valve New Condition Includes Jets Rods Step Up Spring For Smooth Acceleration","description":"\u003cdiv\u003ePerformer Series 550 CFM Square Bore Carburetor Manual Choke\u003cbr\u003e\n✔️ Mild performance, single inlet fuel valve, manual choke \u003cp\u003eThe Performer Series 550 CFM square bore four-barrel carburetor is a new-condition street-performance unit designed for square-bore manifolds. It features a two-piece aluminum construction for cooler operation, a primary venturi booster for smoother acceleration, and a manual choke with secondary air valve. Includes metering jets, metering rods, and a step-up spring for tuning.\u003c\/p\u003e ✅ Two-piece aluminum construction for cooler temperatures and less warping\u003cbr\u003e\n✅ Primary venturi booster for smoother acceleration and drivability\u003cbr\u003e\n✅ Mild performance with single inlet fuel valve\u003cbr\u003e\n✅ Includes metering jets, metering rods, and a step-up spring for tuning\u003cbr\u003e\n✅ Manual choke secondary air valve and ignition-advance ports\u003cbr\u003e\n✅ No gaskets below fuel bowl level; no plastic parts or power valves to blow out\u003cbr\u003e \u003cp\u003e💡 What is a square bore carburetor used for in street performance applications?\nIt is a handy fuel metering device for gasoline engines, commonly paired with square bore intake manifolds.\n- street performance engines benefit from direct fuel metering\n- compatible with metering jets, metering rods, and a step-up spring for tuning\n- improves throttle response and fuel economy when correctly tuned\u003c\/p\u003e ✝️\u003c\/div\u003e","brand":"Amazon","offers":[{"title":"Default Title","offer_id":49089429504235,"sku":"VXB000CN8VZQ","price":762.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/3268\/0683\/files\/61qQ7AnMysL.jpg?v=1784705552","url":"https:\/\/vxb.com\/products\/performer-series-550-cfm-square-bore-four-barrel-c","provider":"VXB Bearings","version":"1.0","type":"link"}