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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
Built for track duty
7 in length 4 kg/mm
Swift Spec-R Springs 09+ NISSAN 370Z Z34 4N905R
Copy of Swift Sport Springs 08-10 SUBARU IMPREZA WRX STI GRB 4F907
-Finished off with twin 80mm dual wall tips
Swift Helper Springs 70mm ID, 2.8 in length 0.8 kg/mm Pair Spec R Springs Built for track duty70mm ID, 2. 8 in length 0. 8 kg mm Swift Helper Springs are made from a proprietary material. Helper springs allow the spring to stay on mounted on the coilover perch when the shock is under negative or zero load, also known as droop travel. The same springs are used in Super GT, Formula Nippon, F3, F3000, Super Taikyu, IMSA, Pirelli World Challenge, Rally America, VLN, Le Mans Series, Formula Drift, and many other professional racing avenues.
