Swift Spec-R Springs 12+ ACURA ILX 4H915R
Swift Spec-R Springs 15+ LEXUS RC-F USC10 4T914R
Heavier rates of assist springs over helper springs are used to fine tune the rebound travel of the shock
cause a much smoother ride where other springs will skip on the harsh road surface
Swift Standard Conventional Springs 13in length, 5 in OD, 250 lbs/in Barrel Type Standard Coilover Springs Swift Spec-R Springs 12+ ACURA13in length, 5 in OD, 250 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