Barracuda Studios/BarracudaCast 1/48 resin BR48027 Spitfire 22, Seafire 47 Control Surfaces

from the manufacturer:

This set consists of resin cast separate control surfaces features a new rudder, elevators with matching horizontal stabilizers and ailerons for the Airfix Spitfire 22/24 and Seafire 46/47 kits. It’s a time saving way to add interest to your model. Actuators included