Infiniti G35 03-07 Coupe: Drop 1.1" F and 1.1" R: The Eibach Pro-Kit is the perfect answer for most frequently-driven street cars. It's legendary spring system that dramatically improves both a vehicle's performance and appearance. Pro-Kit lowers your car's center of gravity, reducing squat during acceleration, body roll in corners and excessive nose-dive under braking. Pro-Kit also reduces excessive fender-well clearance. Every Eibach Pro-Kit is designed and tested by Eibach's suspension engineers and performance driving professionals, to deliver aggressive good looks and high performance handling, without ever compromising safety of ride quality. By using proprietary progressive spring design, Pro-Kit provides the ultimate balance to take your passion for driving to a whole new level