Plastic spring for a motor vehicle chassis

A plastic spring for transmitting force between two structural component parts that are movable relative to one another comprising:

• a corrugated tubular body having a first longitudinal end and a second longitudinal end;
• a first connection surface arranged at the first longitudinal end of the corrugated tubular body configured as a tubular body to engage in a cup element of one of the supporting structural component parts;
• a second connection surface arranged at the second longitudinal end of the corrugated tubular body;
• and
• a displacement mass filled in the cup element,
• wherein the tubular body is configured for a displacing movement within the cup element for axially adjusting a preloading of the plastic spring.