The same springs are used in Super GT
12in length
our spring will react to the road surface as needed
Swift Assist Springs are made from a proprietary material
Swift Standard Coilover Springs 16in length, 3 in ID, 500 lbs/in Bump Springs The same springs are used16in length, 3 in ID, 500 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