Nitron NTR40 Fast Road Suspension Kit for Emira i4 AMG The Fast Road is the entry level NTR shock available as a 1-way adjustable damper. This shock is popular with predominantly road-use customers who drive hard and fast; demanding the best from the chassis but require a degree of comfort. Softer valving and springs combined with the ability to run at original ride heights (and slightly lowered if required) result in a great road shock with superb all-round capabilities. As this shock is part of the NTR range it will perform consistently during a week of blasting round the Nurburgring if required and can be rebuilt to any of the other NTR specifications in the future.The kit comprises four 1-way adjustable dampers with fitted springs. The single adjuster knob affects both bump and rebound for simple setup with a road-biased spec. These shocks are designed to run inverted for reduced unsprung mass and therefore optimum performance. Standard-Setups:  Track - Front 600lbs, Rear 1,000lbs +Helper (Unless otherwise stated, we supply this version!) Race - Front 850lbs, Rear 1,150lbs +Helper Note: Image used for illustration purposes only. Product may differ from that shown.