EMD Auto 15mm 5x112 66.5 Center Bore Wheel Spacer Pair - G80 M3 | G82 / G83 M4Our wheel spacers are manufactured out of high quality 6061 T6 aluminum, which is black anodized for corrosion resistance. We also machine slots into the back of each spacer, for ease of removal (gone are the days of chiseling the spacer to get it off the hub!). Price includes (2) 15mm wheel spacers. Center bore is 66. 5mm, with a 5x112 bolt pattern. Please confirm the size you need before ordering, as wheel spacers are non returnable once installed!