"suspension bushes" refer to small parts in a vehicle's suspension system that help absorb shocks and vibrations for a smoother and more comfortable ride. Full definition
Bentley's chassis engineers have also fitted stiffer suspension bushes for sharp, communicative handling and uprated anti-roll bars to optimise the handling balance. (motor-prime.com)
Other locally - devised solutions to meet the needs of Australia and other global markets have included: modified front suspension bushes for the MacPherson struts, rear bushes for the torsion - beam rear axle, added reinforcement around the tailgate, more efficient air conditioning compressor and the installation of damping patches to attenuate sound transmission through sheet metal. (motoring.com.au)
Disappointingly numb steering was improved with 2013 software tweaks, plus stiffer front suspension bushings and smaller torsion bar. (carmagazine.co.uk)