ONE 90110-K 9mm Venturi Kit for OS, ONE, or Novarossi Nitro Engines

For sale is a brand new ONE 9mm venturi carburettor kit for .21 on-road nitro engines. Provided in the kit is three different height venturi’s to choose from but all in the 9mm diameter, the restrictors can be used on all Novarossi, OS and ONE on-road engines. These venturi’s are designed in order to fine tune the response of your engine. The lower restrictor is designed to improve the bottom end power, while the high one increases the top speed, all three giving different feelings to the user for their nitro engine.