Since the metric system is used widely in the sport compact and road race market
spring lengths from 127mm (5in) to 280mm (11in)
Our metric coilover springs come in various sizes with inner diameters ranging from 60mm (2
and many other professional racing avenues
we have the right spring for your application
Swift Springs Metric Coilover Springs 65mm ID, 6 inch length, 5 kg/mm Pair Metric Coilover Springs Since the metric system is65mm ID, 6 inch length, 5 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