This Kit includes additional wheelbolts to mount the wheel. When using this kit you have to use these wheelbolts as the original bolts are too long to mount the wheel.
Spacers can only be used with wheels that have cut-outs (facing the hub) to clear the stock studs. Please check as follows: Original stud length (i.e. 35mm) minus spacer-thickness (i.e. 25mm) = 10mm...