The Eibach Pro-Spacer 30mm widens Nissan 370Z track width by 30mm per side for enhanced handling. Crafted from high-strength aluminum, this pair ensures precise alignment for 370Z coupes. Ideal for track or street, it improves cornering grip and stance. Bolt-on installation with corrosion-resistant coating requires proper torque. Lightweight design boosts performance. Includes a limited lifetime manufacturer warranty.