Swift Springs Spec R 00-09 Honda S2000 Infiniti G37 Coupe AWD (09-15) ) which is far superior

) which is far superior to silicone chrome steel and allows us to wind our springs with less coils

The following information is from Sparco's website

From HPDE events to SCCA competition

while spinning and after it has been casted

16" free length

Swift Springs Spec R 00-09 Honda S2000 Infiniti G37 Coupe AWD (09-15) ) which is far superiorSpring Rate F 7. 5 kg mm (419lbs in) R 7 kg mm (391lbs in) Lowers F 30mm (1. 2 inches) R 30mm (1. 2 inches) Built for track duty, Swift Spec R springs are designed at the upper limits of the OEM shock valving. Track tested and tuned for optimum performance yet comfortable enough for a daily driver. Keeps the quality ride you get from the showroom, and adds improved handling and lower ride height for driving enthusiasts and style minded drivers who