ProTek RC Aluminum Samurai RM, S03 & R03 Carburetor Restrictor (6mm)

The ProTek RC Aluminum Samurai RM, S03 & R03 Carburetor Restrictor is a 6mm venturi designed to adjust airflow into the engine and fine-tune power delivery and run time.

This restrictor is compatible with Samurai 321B, OS V-Spec, Novarossi and RB carburetors. The 6mm size can improve bottom-end throttle response and run time compared with a larger venturi, making it suitable for small tracks.

For replacement restrictor o-rings, see part PTK-2517.