Part No. LS1160-0116 Specifications Make / Model 2017+ Infiniti Q60 Coupe 3.0T / 3.0T Red Sport RWD Front Drop Estimated: 1.3 Inch Rear Drop Estimated: 1.4 Inch Front Spring Rate 7.0 kg/mm Rear Spring Rate 2.0~3.0 kg/mm Lowering Spring Description Grip, Traction, Style.Increase performance with a functional drop for daily driven street cars. Each spring has been engineered and tested with the best progressive/linear spring rate to increase tire grip, entry and exit speeds through turns, and improve braking power. Manufactured using high quality steel, powder coated, heat treated with advanced coiling methods and technology. All GT-F and GT-S springs designed for maximum travel motion and useable stroke with your factory struts/shocks. Items Included 2x Front Springs / 2x Rear Springs / Installation guide (if available)