HKS Hiperper Max IV GT Coilovers 2015-2021 WRX / STI

Description:
The product concept for MAX IV GT series is "Ultimate Street Damper". This Spec-A is a further ultimate damper. The low spring rate and sufficient stroke provide better ride quality for street use, and its adequate damping force allows easy handling. Without reference to the concept of the standard sports suspension, HKS made Spec-A as the optimal street sports suspension.

Specs:
Damping Force (Front): 392m/sec (Rebound) 147m/sec (Compression)
Damping Force (Rear): 971m/sec (Rebound) 412m/sec (Compression)
Front Upper Mount: Rubber
Lowering (Front): -8mm (From 0 to -48mm)
Lowering (Rear): -12mm (From -0 to -43mm)
Rear Upper Mount: Rubber
Spring Length (Front): 220mm(Barrel)
Spring Length (Rear): 170mm
Spring Rate (Front): 59N/mm (6kgf/mm)
Spring Rate (Rear): 78N/mm (8kgf/mm)

Applications:
2015-2021 WRX
2015-2021 STI