Tuning your vehicle's suspension is one of the easiest ways to instantly improve overall Driving Performance. HKS offers a complete line of coilover suspension systems starting with the comfortable Hipermax CLX to the street and track ready Hipermax III, Hipermax III Sports and the Hipermax S-Compact, designed for all out quarter mile battle. HKS has utilized its experience from 35 years of circuit, GT, drift, and drag racing to bring you the cutting edge in suspension technology. Features Hiper Linear Piston Linear progression piston adjusts oil passages for precise stroke management resulting in smoother valve movements. As piston speed increases, dampening rate linearly increases. 2 Way Adjustable Front Pillowball Mount Strengthened rubber rear upper mounts enhanced durability Monotube design Shock-body length adjustable 65mm diameter springs Cold wound and manufactured in-house at HKS to ensure quality and consistency Stainless lock nut & ride height adjuster feature anti-rust & corrosion characteristics for enhanced durability. 30-way adjustable dampening Hard chrome-plated cylinder shaft Non-electrolysis Nickel plated shock bodies provide durability in severe weather conditions.