{"product_id":"protek-rc-aluminum-elliptical-samurai-321b-carburetor-restrictor-6mm-ptk-2522","title":"ProTek RC Aluminum \"Elliptical\" Samurai 321B Carburetor Restrictor (6mm)","description":"\u003cp\u003eThe ProTek RC Aluminum \"Elliptical\" Samurai 321B Carburetor Restrictor uses a unique oval-shaped venturi to tune airflow into the engine. This 6mm restrictor is designed to provide smooth bottom-end power with a progressive power delivery that increases as RPMs rise.\u003c\/p\u003e\u003cp\u003eChanging the venturi size can help fine-tune engine power delivery and run time for different track conditions. This restrictor is compatible with Samurai 321B, OS V-Spec, Novarossi and RB carburetors.\u003c\/p\u003e\u003cp\u003eReplacement restrictor o-rings are available separately under part number PTK-2517. ProTek RC also offers the Elliptical Restrictor Set under part number PTK-2525-COMBO.\u003c\/p\u003e","brand":"ProTek RC","offers":[{"title":"Default Title","offer_id":46316763513066,"sku":"PTK-2522","price":7.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/9723\/1338\/files\/PTK-2522_01.jpg?v=1790104124","url":"https:\/\/swflrcr.com\/products\/protek-rc-aluminum-elliptical-samurai-321b-carburetor-restrictor-6mm-ptk-2522","provider":"SWFLRC Raceway","version":"1.0","type":"link"}