GR+ Pro coilover has all the features of the GR+ but adds the benefit of a helper spring. The helper spring allows the shock piston to be placed in the optimal position within the shock body, increasing rebound stroke, and maximizing articulation on cars with minimum suspension travel.
Also available as SS-D. The Special Setting Dampers were developed to meet the special demands of the circuit. The SS-D is valved to work in conjunction with race tires to maximize traction. The GR+ Pro SS-D were used to win national titles in both drifting and time attack; setting the highest benchmark for itself - winning