Installing high precision Slide Rack will reduce the backlash around the steering wheel and will increase rigidity on steering feels and decrease shaking. 

Curved design selected to prevent interference with tie rod at maximum steering angle.  It allows the drifter to feel more freedom in deepest angle during drifting. 

The body roll and suspension motion will not influence the car to turn more sharply than the driver anticipates.

 This is the answer from YOKOMO for the perfect steering performance.