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Ships within 48 hours · Estimated delivery Oct 9 - Oct 14
40 lbs - disc ring weight
160 lbs/in
Engineered to be stronger & easier to install
Swift Sport Springs 07-15 Infiniti Q50 RWD KV37 4N909 (Red Sport Included) Spring Rate Drop Front Rear Front Rear Kg/mm Kg/mm Inch Inch 9
Screw CNC cut out of aluminum alloy
Swift Spring bag 13" X OD 5.0" exhaust 40 lbs - disc ringSwift Spring bag 13" X OD 5. 0" (1 bag for 1 spring). 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
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