{"product_id":"aed-primary-metering-block-650-850-cfm-holley-4150-6550","title":"AED Primary Metering Block, 650-850 CFM, Holley 4150 Carburetors | 6550","description":"\u003cp\u003eThis AED primary metering block replaces the factory unit on a 650-850 CFM Holley 4150 carburetor, giving a fresh, precisely machined set of idle and main jet circuits for tuning. Aluminum construction with a chromate finish.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eType: metering block, primary\u003c\/li\u003e\n\u003cli\u003eCFM range: 650-850\u003c\/li\u003e\n\u003cli\u003eMaterial: aluminum\u003c\/li\u003e\n\u003cli\u003eFinish: chromate\u003c\/li\u003e\n\u003cli\u003eCompatibility: Holley 4150 carburetors\u003c\/li\u003e\n\u003cli\u003eSold: each\u003c\/li\u003e\n\u003cli\u003ePart Number: 6550\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch5\u003eIs the AED 6550 a primary or secondary metering block?\u003c\/h5\u003e\u003cp\u003ePrimary.\u003c\/p\u003e\u003ch5\u003eWhat CFM range is it built for?\u003c\/h5\u003e\u003cp\u003e650-850 CFM Holley 4150 carburetors.\u003c\/p\u003e\u003ch5\u003eWhat is it made of?\u003c\/h5\u003e\u003cp\u003eAluminum with a chromate finish.\u003c\/p\u003e\u003ch5\u003eHow many blocks are included?\u003c\/h5\u003e\u003cp\u003eOne, sold each. The matching secondary block is sold separately as part number 6560.\u003c\/p\u003e\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Is the AED 6550 a primary or secondary metering block?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Primary.\"}},{\"@type\":\"Question\",\"name\":\"What CFM range is it built for?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"650-850 CFM Holley 4150 carburetors.\"}},{\"@type\":\"Question\",\"name\":\"What is it made of?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Aluminum with a chromate finish.\"}},{\"@type\":\"Question\",\"name\":\"How many blocks are included?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"One, sold each. The matching secondary block is sold separately as part number 6560.\"}}]}\u003c\/script\u003e","brand":"Advanced Engine Design","offers":[{"title":"Default Title","offer_id":43073737064496,"sku":"BJLH_6550","price":73.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/AED6550.jpg?v=1779637743","url":"https:\/\/berryperformancesales.com\/products\/aed-primary-metering-block-650-850-cfm-holley-4150-6550","provider":"Berry Performance Sales","version":"1.0","type":"link"}