{"product_id":"protek-rc-aluminum-samurai-rm-s03-r03-carburetor-restrictor-7-5mm-ptk-2520","title":"ProTek RC Aluminum Samurai RM, S03 \u0026 R03 Carburetor Restrictor (7.5mm)","description":"\u003cp\u003eThe ProTek RC Aluminum Samurai RM, S03 \u0026amp; R03 Carburetor Restrictor is a 7.5mm venturi designed to adjust airflow into the engine and fine-tune power delivery and run time.\u003c\/p\u003e\u003cp\u003eThis optional carburetor restrictor is compatible with Samurai 321B, OS V-Spec, Novarossi and RB carburetors. A larger venturi can provide more top-end power for larger tracks, while a smaller venturi can improve bottom-end throttle response and run time for smaller tracks.\u003c\/p\u003e\u003cp\u003eFor replacement restrictor O-rings, use part \u003cstrong\u003ePTK-2517\u003c\/strong\u003e.\u003c\/p\u003e","brand":"ProTek RC","offers":[{"title":"Default Title","offer_id":46316642566378,"sku":"PTK-2520","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/9723\/1338\/files\/PTK-2520_01.jpg?v=1790104001","url":"https:\/\/swflrcr.com\/products\/protek-rc-aluminum-samurai-rm-s03-r03-carburetor-restrictor-7-5mm-ptk-2520","provider":"SWFLRC Raceway","version":"1.0","type":"link"}