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HSD Suspension has become a well-respected brand in Australia and is quickly growing in the UK and other markets. Produced by HD System in Korea, the HSD Dualtech range offers fantastic performance and quality at an affordable price.
HSD Dualtech coilovers are available to suit a range of popular Japanese and Korean models. All are backed by a 12-month, unlimited kilometre warranty and full after-sales service and support by Otomoto.

The key feature of the Dualtech is dual-tube dampers, designed for a smoother ride. The dampers have 14-step adjustment, with a clear difference felt for every step. Spring rates are aimed at every-day driving, but are still stiffer than standard springs for a sporty feel and improved handling.

This is an example dyno graph of the front dampers in a set of S14 Dualtech coilovers. The lines on the lower part of the graph show how rebound damping force varies with speed. Each line shows the effect of adjusting by 3 clicks each time from full soft to full hard. Compared to the monotube dampers found in Monopro coilovers, the damping is much softer, especially at low speed, resulting in a softer ride, but less control in demanding conditions, such as racetrack use, in which case the Monopros are the correct choice.

HSD Dualtech coilovers

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