HKS Hipermax R Coilover KitThe HKS Hipermax R Series coilovers are the culmination of coilover technology that HKS has developed over the past 9 years, offering enhanced vehicle handling, traction and comfort. They have achieved unrivaled performance that is unmatched by any other brand. Dual PVS: Dual Preload Valve System Features the Dual Preload Valve System originally designed for the HIPERMAX S. By carefully selecting valve shims for each vehicle model, the settings are