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Ships within 48 hours · Estimated delivery Sep 2 - Sep 7
6in length
zero restrictions
Round Wire Progressive Rate Bump Springs 500-1000 lbs/in
475 lbs/in Barrel Type
you can expect the same characteristics as our sports springs
Swift Assist Springs 60mm ID, 2.8 in length 5 kg/mm Pair Bump Springs 6in length60mm ID, 2. 8 in length 6 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,
