Swift Springs Spec R 03-08 Nissan 350Z Lexus IS350 (06-13) 7 kg/mm (933lbs/in)

7 kg/mm (933lbs/in)

You will need to purchase seperately the flat wire bump springs you wish to run and a top retainer to fit your shock shaft

Just type in the wheel model "Countergram" and then submit

These proprietary self lubricating sheets will allow your coilover springs to smoothly rotate around the perch under compression

The Evo Series is our most versatile competition seat and is available in four sizes to ensure proper fitment

Swift Springs Spec R 03-08 Nissan 350Z Lexus IS350 (06-13) 7 kg/mm (933lbs/in)Spring Rate F 7. 5 kg mm (420lbs in) R 8. 2 kg mm (460lbs in) Lowers F 30mm (1. 2 inches) R 25mm (1. 0 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