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4" Straight cut tip
These are designed for high temp
Round Wire Linear Rate Bump Springs 1400 lbs/in
Further increasing the spring rate to enhance overall performance
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
Swift Spring bag 13" X OD 5.0" exhaust 4" Straight cut tipSwift 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
