Im gussing that there is a cutout in each side of the control arm that the raised V on the washers go into.
When either of the washers is turned the V moves the control arm and that changes the camber. The other washer doesnt have to be turned, it follows the control arm. Is this correct? If so then I'm curious about why the bolt is slotted.
Does it matter whether the bolts go in from the front or the rear?