Swift Springs Metric Coilover Springs 65mm ID, 9 inch length, 4 kg/mm Pair Standard Coilover Springs 275 lbs/in

275 lbs/in

4 inch length

210 lbs/in

and many other professional racing avenues

220 lbs/in Barrel Type

Swift Springs Metric Coilover Springs 65mm ID, 9 inch length, 4 kg/mm Pair Standard Coilover Springs 275 lbs/in65mm ID, 9 inch length, 4 kg mm Swift Metric 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