Spirited weekend track drives do not have to sacrifice daily driving comfort or performance.  Designed for the performance enthusiast in mind, the RS-R Sports-I coilover system provides a comfortable ride for everyday use, yet is sufficient enough for those effervescent track days.
 
Part#: XLIN129M
Compatibility: 2014-2018 Infiniti Q50 RWD Hybrid
Chassis code: HV37
Preset Approximate Height From RS-R:
Front -30mm to -35mm (-1.2in to -1.4in)
Rear -30mm to -35mm (-1.2in to -1.4in)
Maximum Adjustment Ranges:
Front +10mm to -85mm (+0.4in to -3.3in)
Rear -5mm to -105mm (-0.2in to -4.1in)
Recommended Adjustments for Optimal Ride-ability:
Front -5mm to -55mm (-0.2in to -2.2in)
Rear -10mm to -50mm (-0.4in to -2.0in)
Spring Rates:
Front 10.0kg/mm
Rear 5.00kg/mm
Dampers are 36 way adjustable in the front and the rear. Warranty 1 Year / 12,000 miles from the day of purchase.