Swift Sport Springs - Infiniti G35/37 Sedan Q40 07-15 q60 Springs are preset to reduce

Springs are preset to reduce sag experienced after installation and given a 2-stage melamine coating providing an attractive layer of protection before final shipping to the U

Front (kg/mm): 5 (279 lbs/inch)Rear (kg/mm): 13 (726 lbs/inch)Front Drop: -28mm (-1

0T 2010-2016 is designed and engineered right here in Southern California

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Swift Sport Springs - Infiniti G35/37 Sedan Q40 07-15 q60 Springs are preset to reduceSwift Springs was founded in Tokyo, Japan in 1997 and quickly made a name for itself in motorsports around the world. Swift Springs can be found in championship teams in JGTC, D1 Grand Prix, Super Taikyu Endurance, Le Mans 24hrs., and Formula Toyota. Swift Sport Mach Springs are manufactured with a unique spring compound H5S. TW. This super strong material requires a double shot peening process to keep the spring's shape. The result is a high tensile