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Helper springs allow the spring to stay on mounted on the coilover perch when the shock is under negative or zero load
our spring will react to the road surface as needed
also known as droop travel
65mm ID All Kits come with 4 thrust sheets & 4 metal washer sheets (1 kit for 2 springs)
Spec-R springs are track tested and tuned for optimum performance
Swift Standard Conventional Springs 9.5in length, 5.5 in OD, 600 lbs/in Helper Springs Helper springs allow the spring9. 5in length, 5. 5 in OD, 600 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
US$ 104.00
US$ 146.39
US$ 60.00
