RCRENEW RCR mods POWER backplate Specially designed for faster throttle response and more power with turbo vents that flow thru backplate to optimize airflow thru crankcase and backplate.
Fits ALPHA RC .21 to .28 engines and most Novarossi based nitro RC .21 engines.
FOR Novarossi to make sure it will fit your engine Check the size that inserts into the case which is 26mm diameter and 14.5 deep.
** Always check before starting the engine that when the backplate is installed is spins freely with no interference.there are so many models of these Novarossi and ALPHA Based engines and they may make small changes in specifications to the engines at times during production without notice. So always check fitment before strating engine. BUyer responsibility to check before using.**