HKS Hipermax S Coilover Full Canceler Kit Honda Civic SI Coupe 2017-2021 | 80300-KH001C vendor_Fast Motorsports this upgrade delivers better breathing

this upgrade delivers better breathing

FEA Tested

reliable performance gains without compromising engine longevity

and a large 115mm (4

this system allows for serious performance gains in rally stages or rough-road applications—without sacrificing durability or reliability

HKS Hipermax S Coilover Full Canceler Kit Honda Civic SI Coupe 2017-2021 | 80300-KH001C vendor_Fast Motorsports this upgrade delivers better breathingFitment Information: 2017 2021 Honda Civic SI Coupe Features: Dual PVS. We evolved the existing preload valve system to the dual preload valve system to suppress the generation of unnecessary damping force during higher piston speeds. This provides major improvement in ride comfort without influencing the driving performance. Wide Range Damping Force Adjustment Mechanism. The improved shape of the Needle Jet expand the range of damping force