Copy of Swift Sport Springs 08-10 SUBARU IMPREZA WRX STI GRB 4F907
These are NOT steel or stainless steel
180 lbs/in Barrel Type
The lightweight Berk Technology 2
Swift Standard Conventional Springs 11in length, 5.5 in OD, 400 lbs/in Assist Springs Copy of Swift Sport Springs11in length, 5. 5 in OD, 400 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