swift spec-r springs are designed to the upper limits of the oem shock valving
Can be used with any aftermarket exhaust system
The twin 80mm dual wall tips finish off the look with a classy appearance that doesn't take away from the original look of the car
Round Wire Linear Rate Bump Springs 1600 lbs/in
Swift Assist Springs 65mm ID, 2.7 in length 5 kg/mm Pair Standard Coilover Springs swift spec-r springs are designed65mm ID, 2. 7 in length 5 kg mm Swift Assist Springs are made from a proprietary material. Heavier rates of assist springs over helper springs are used to fine tune the rebound travel of the shock. These springs can also help preventing loss of traction due to inside wheel lift during hard cornering. The same springs are used in Super GT, Formula Nippon, F3, F3000, Super Taikyu, IMSA, Pirelli World Challenge, Rally America, VLN, Le Mans Series,