Aluminum "Elliptical" Samurai 321B Carburetor Restrictor (7mm) by ProTek RC

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Frederick

Frederick, MD

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ProTek RC
PTK-2524
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This product was added to our catalog on February 13, 2015.

This is an optional ProTek R/C Aluminum "Elliptical" Samurai 321B Carburetor Restrictor. Featuring a unique oval shape, ProTek R/C Elliptical carb restrictors provide improved fuel mileage, with a more progressive power delivery that is smooth on the bottom, and ramps up hard as RPM's increase. The restrictors are available in 6mm through 8mm diameters, so you can 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.

The 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.  

ProTek R/C also offers an Elliptical Restrictor Set (PTK-2525-COMBO).

Note: For replacement restrictor o-rings search part PTK-2517.  

ProTek R/C is an AMain Sports & Hobbies brand.