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Double spiral steel torsion springs combine a left hand coil with a right hand coil, working in parallel to provide an increase in torque; up to four times that of single bodied torsional springs. This model by Aero is designed for versatility and comes with a steel coat finish; applications include spring tarp systems, dump truck tarp systems and any external or underbody mounted systems.
Specifically designed to be used as part of the Aero PowerLock system.
Electric Tarp System