the only reason you would need new lug bolts are
1. you have ball seat lugs and the wheel req. cone seat or vice versa.
or
2. you use spacers more than 5mm, this will req longer lugs
the offset of the wheel means nothing in terms of lug bolt length
1. you have ball seat lugs and the wheel req. cone seat or vice versa.
or
2. you use spacers more than 5mm, this will req longer lugs
the offset of the wheel means nothing in terms of lug bolt length