{"product_id":"secondary-metering-block-conversion-kit-shiny-aluminum-34-6sa","title":"Secondary Metering Block Conversion Kit - Shiny Aluminum 34-6SA","description":"Easily convert your 0-1850SA or 0-80457SA 600 CFM carburetor to a model 4150 by adding a secondary metering block. The addition of a secondary metering block will allow you to fine tune your carburetor by utilizing replaceable main jets versus the fixed orifices found in a metering plate.","brand":"Holley","offers":[{"title":"Default Title","offer_id":50228764049685,"sku":"BBVL_34-6SA","price":67.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0845\/6844\/1109\/files\/34-6s_bae45bfd-bc69-4c53-8b1a-d99f42094005.jpg?v=1791182890","url":"https:\/\/shop.davesusa.com\/products\/secondary-metering-block-conversion-kit-shiny-aluminum-34-6sa","provider":"Dave's Auto Center","version":"1.0","type":"link"}