"Uprated springs" refers to springs that have been replaced or modified in a way that makes them stronger or more capable of supporting a heavier load or performing better. Full definition
Also if the vehicle was used for towing and was fitted with uprated springs then yes.. (mechanics.stackexchange.com)
The Adam S benefits from uprated springs and dampers and a revised «compound crank» rear axle — a torsion beam, by any other name. (evo.co.uk)
The structure boasts more high - strength steel which is further backed up by uprated springs, dampers, cross members and suspension bushings. (autoweek.com)