Process and Material - wheel spacers are forged from 6061-T6 aluminum alloy for added durability and strength. The dimensions are CNC automatic machining to ensure high precision. The surface anodizing and heat treatment not only ensure high precision and stability, but also enhance the hardness and corrosion resistance of the material. Unique back groove design,make the installation easier. Heat treated and hardened 12.9 grade bolts and matching black
NOTE - If you have no idea about which spacers fit you vehicle, please E-mail us for help