Swift Springs Spec R 03-08 Nissan 350Z Lexus IS350 (06-13) You will need to purchase

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

- Aluminum Brackets paired with rubber inserts

Sparco’s full line of harnesses works in unity with our competition seats

Flat Wire Assist Spring - 63

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) You will need to purchaseSpring 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