Gearbox Upper Mount - Heavy Duty Race - GR YarisHardrace Heavy Duty Race Gearbox Upper Mount for GR Yaris The reinforced upper gearbox transmission mount is made with increased hardness rubber. With improved strength over the OE rubber mounts, it reduces engine movement significantly and provides maximum power output under acceleration. Direct fitment Reduces engine and gearbox movement Increases stability during hard cornering and acceleration Increases noise and vibration 1 Piece