100/300 lbs/in Progressive
Swift Pull Bar Springs are made from a proprietary (H5S
especially since these two aspects contrast with each other
4in length
Helper springs allow the spring to stay on mounted on the coilover perch when the shock is under negative or zero load
Swift Standard Coilover Springs 14in length, 3 in ID, 175 lbs/in Pull Bar Springs 100/300 lbs/in Progressive14in length, 3 in ID, 175 lbs in Swift Standard Coilover Springs are made from a proprietary (H5S. TW.) Material. This allows Swift Springs to manufacture a spring that is has more stroke, increased traction and handling as well as a spring with less coils, resulting in a lighter spring with less unsprung weight. The same springs are used in Super GT, Formula Nippon, F3, F3000, Super Taikyu, IMSA, Pirelli World Challenge, Rally America, VLN, Le Mans