We manufacture our coil springs to strict quality control standards using premium spring steel in compliance with ISO-9002. Every one of our coil springs is backed by a 3 year/100,000km warranty. You can select the height you need: from standard height, up to 125mm. You can also select from our variety of spring rates (based on the weight required to compress the coil) to suit different applications including towing, load-bearing accessories and increased ride height.