<p>A fuel injection valve comprises a valve return spring (212) as a coil spring that applies a spring force to a movable valve element toward a valve seat and an adjuster (213) that is used for adjusting a spring force by adjusting the amount of spring compression. The injection valve is provided with parts supporting respectively both ends of the spring (212) in the axial direction, and these parts are rotatable in the circumferential direction of the spring (212).</p>
