Spiral Torsion Spring

Works on any pivot pin. Keeps rearward tension on the tarp arms to keep the tarp tight at all times on front to back arm systems.

Universal Replacement for similar Shurco, Roll Rite, US Tarp, Donovan, Cramaro, Mountain, and Buyers systems. 

Direct replacement for K0199, 11121, 1111027, and 7-130-00021.