The Eibach Pro-Spacer 15mm widens Nissan 350Z track width by 15mm per side for improved handling. Crafted from high-strength aluminum, this pair ensures precise alignment for 350Z coupes and convertibles. Ideal for track or street, it enhances cornering grip and stance. Bolt-on installation with corrosion-resistant coating requires proper torque. Lightweight design boosts performance. Includes a limited lifetime manufacturer warranty.