SPOON STEERING STIFF PLATE KIT Suspension Parts For HONDA S660 JW5 53685-JW5-000Brand SPOON Series Name STEERING STIFF PLATE KIT Product Descriptions SPOON has achieved high motor performance by developing and installing STIFF PLATE FRONT to improve the ground feeling and handling stability of S660 front section. However, as we continue to develop the body, we are pursuing a higher level of maneuvering stability in order to improve situations where we are constantly forced to take corrective action from "insufficient rigidity"