Complete precision piston, sleeve and connrod set - 3 port (Dragon IV)Pullstart backplate cover M2.6 x 8mm screws - 4 pcs (21RTR and 28RTR engines)
Pro Carburettor - 7.5mm bore - .21 (Dragon GT, GT-R, II, III or IV)
Description
Unlike the regular Alpha carburetor, this one reduces to a 7.5mm bore size. This can extend the fuel run time and provides a smoother throttle response.