Swift Springs Metric Coilover Springs 60mm ID, 9 inch length, 12 kg/mm Pair Metric Coilover Springs resulting in a lighter spring

resulting in a lighter spring with less unsprung weight

spring lengths from 127mm (5in) to 280mm (11in)

Pirelli World Challenge

Since the metric system is used widely in the sport compact and road race market

Swift Springs Metric Coilover Springs 60mm ID, 9 inch length, 12 kg/mm Pair Metric Coilover Springs resulting in a lighter spring60mm ID, 9 inch length, 12 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