O.S. Carburetor Reducer 6.5mm: Speed 21 V-SpecII

with the .21 Carburetor Reducer. This tuning element is made from aluminum and includes the O-rings needed for installation. Package includes one reducer. This product was added to our catalog on May ...

tuning aid for the Nova Engines T6 and T6R Truggy engines. This pack allows you to fine tune your engine's performance for changing track conditions, different fuels or even driver preference. Includes: ...

Reducer, with included o-rings. This restrictor comes included with the B2101 engine. The carburetor restrictor (or venturi) is used to adjust the flow of air into the engine. By changing the size ...

the O.S. SPEED 21VZ-B V-Spec Off-Road Competition Buggy Engine.  This product was added to our catalog on July 18, 2007

and is intended for use with the O.S. XZ-B .21 engine. This product was added to our catalog on November 18, 2011