1. take the smallest spacer outta your older R6 rims.. (not sure what side but the smallest nonetheless)..
2. Remove the left side spacer from the 03 rims.. (it has a coller on it)
3. Move the right side spacer from the 03 rims to the left side.
4. take the smallest spacer (from pre-03 rims) and put that on the right side..