EFS Coil Springs are manufactured under a strict quality control system with the use of quality Spring steel in accordance with ISO-9002.
EFS (Enhanced 4WD Suspension) is a high quality, Australian made and backed by a 3yr/100,000km warranty.
EFS Coil Springs are produced in a variety of raised heights, from standard to 125mm - and also in a variety of spring rates to suit different applications - Towing, Load Bearing Accessories, increased ride height and competition.
- Shot peened - to stress relieve the outer surface of the coil so the coil can operate under higher fatigue & repeated load conditions to ensure longevity.
- Scragged for quality control - this is a process where the coil is compressed beyond its yield point; this compression will set up residual stresses and increase the elastic limit of the spring.
- Powder coated - to resist corrosion & for aesthetics.
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