This is a 7mm Carburetor Restrictor from Werks Racing and fits Team Line Pro Carburetors. These carburetor venturi inserts are designed to improve fuel flow to the engine, for increase performance. By changing the size of the venturi, you can adjust the power delivery and runtime of the engine. This is the medium 7mm insert.
NOTE: This restrictor will not work with the "2010 Model" carburetor!
This product was added to our catalog on July 23, 2009.