ONE FLUX .21 Nitro Engine Backplate for OS Speed nitro engines – 90224-K

From Capricorn their optional ONE FLUX backplate is suitable for either ONE  or OS SPEED .21 nitro engines. It is designed to accelerate the fuel and air mixture in the liner’s lateral port, this results in an improved fuel economy and smoother power delivery for your nitro engine. Suitable for OS SPEED R2101, R2102, R3103, R2104, R21-Euro, Max-R21 or ONE based OS .21 nitro touring car engines.