Factory Spec, FS-212, 2x1" Front OR Rear Wheel Spacers Kawasaki Teryx 750 & 800, Mule 4000 & 4010 Please note, these wheel spacers are not model specific. They are designed to fit a bolt pattern, in this case 4/137. This means the wheel hub has 4 studs that are 137mm apart. The studs in these spacers are 12mm (M12x1.25mm). Please see the second image for clarification. (1) Pair of 1" spacers - adds 2" total width Studs are integrated, you do not need to remove the stock studs for installation. Hardware included Constructed of 6061 T-6 aluminum 6061 T-6 aluminum for maximum durability Get that extra stability you need