The 6061 aluminum wheel spacer is 3/4" thick and is designed to work with 5 on 4 -1/2", 4 -3/4", or 5" wheel stud spacing. The wheel spacer is precision ground to ensure both surfaces are flat and true to each other to ensure the wheel will tighten correctly and will be moving the wheel out 3/4". Note: These will not work with 5/8” wheel studs.
California Proposition 65 Statement