{"product_id":"protek-rc-ptk-2521-aluminum-samurai-rm-s03-r03-carburetor-restrictor-8mm","title":"ProTek RC PTK-2521 Aluminum Samurai RM, S03 \u0026 R03 Carburetor Restrictor (8mm)","description":"\u003cp\u003eThis is an optional ProTek R\/C Aluminum Samurai RM, S03 and R03 Carburetor Restrictor. Available in 6mm through 8mm diameters, ProTek R\/C carb restrictors are an excellent way to tune the power delivery of your Samurai 321B for any track condition. Plus, they are also compatible with OS V-Spec, Novarossi and RB carburetors.\u003c\/p\u003e\n\u003cp\u003eThe carburetor restrictor (or venturi) is used to adjust the flow of air into the engine. By changing the size of the venturi, you can fine tune the power delivery and run time of the engine. A larger venturi will increase top end power and is better suited to larger tracks, but will reduce run time. A smaller venturi will improve bottom end throttle response making them a good choice for small tracks, and will help to improve run time compared to a larger venturi.  \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eFor replacement restrictor o-rings, see part\u003cspan\u003e \u003c\/span\u003ePTK-2517. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"float\"\u003e\n\u003cli\u003eMugen Seiki Ninja JX21 B01\u003c\/li\u003e\n\u003cli\u003eNovarossi 367\u003c\/li\u003e\n\u003cli\u003eNovarossi 528X\u003c\/li\u003e\n\u003cli\u003eNovarossi BS-21SB\u003c\/li\u003e\n\u003cli\u003eNovarossi N21BF\u003c\/li\u003e\n\u003cli\u003eNovarossi P5\u003c\/li\u003e\n\u003cli\u003eNovarossi Plus 21-4 C\u003c\/li\u003e\n\u003cli\u003eNovarossi Plus 21-5\u003c\/li\u003e\n\u003cli\u003eNovarossi Plus 21-7BT\u003c\/li\u003e\n\u003cli\u003eProTek R\/C Samurai 321B\u003c\/li\u003e\n\u003cli\u003eRB Products Buggy 9\/10\/11\u003c\/li\u003e\n\u003cli\u003eRB Products C5\/C6\u003c\/li\u003e\n\u003cli\u003eRB Products Circuit 9\/10\/11\u003c\/li\u003e\n\u003cli\u003eRB Products Classico 9\/10\/11\u003c\/li\u003e\n\u003cli\u003eRB Products Cross 10\/11\u003c\/li\u003e\n\u003cli\u003eRB Products Fire 11\u003c\/li\u003e\n\u003cli\u003eRB Products Hobby 9\/10\u003c\/li\u003e\n\u003cli\u003eRB Products Junior 9\/10\u003c\/li\u003e\n\u003cli\u003eRB Products KANAI Limited Edition\u003c\/li\u003e\n\u003cli\u003eRB Products Killer 9\/10\u003c\/li\u003e\n\u003cli\u003eRB Products Monster Truck 9\/10\/11\u003c\/li\u003e\n\u003cli\u003eRB Products RT 9\/10\u003c\/li\u003e\n\u003cli\u003eRB Products Rally\u003c\/li\u003e\n\u003cli\u003eRB Products S3\u003c\/li\u003e\n\u003cli\u003eRB Products S5\u003c\/li\u003e\n\u003cli\u003eRB Products S7\u003c\/li\u003e\n\u003cli\u003eRB Products TM728\u003c\/li\u003e\n\u003cli\u003eRB Products TM928\u003c\/li\u003e\n\u003cli\u003eRB Products Touring 9\/10 RC\/11 RC\u003c\/li\u003e\n\u003cli\u003eRB Products Touring 9\/10\/11\u003c\/li\u003e\n\u003cli\u003eRB Products WS7\u003c\/li\u003e\n\u003cli\u003eRB Products World Series 9\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ProTek","offers":[{"title":"Default Title","offer_id":52128849559842,"sku":"PTK-2521","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0178\/9640\/7104\/files\/ptk-2521.avif?v=1784290956","url":"https:\/\/lcrcraceway.com\/products\/protek-rc-ptk-2521-aluminum-samurai-rm-s03-r03-carburetor-restrictor-8mm","provider":"LCRC Raceway","version":"1.0","type":"link"}