Swift Sport Springs 07-12 Lexus GS350/460 GRS191 4T051
Integrated with the vehicle's OE parking brake system
175 lbs/in
07 and up 350z/G35/G37/370Z
True Dual 3" Exhaust System
Swift Helper Springs 60mm ID, 5.3 in length 0.1 kg/mm Pair Bump Springs Swift Sport Springs 07-12 Lexus60mm ID, 5. 3 in length 0. 1 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.