Should be a machine shop near you that can just drill a 4.75 pattern onto your hub/rotor. Easy to do when staying with the same number of lug bolts, not so easy when going from 6 to 5, 4-5, etc. We do our own but I think the going price would be around $50 a pair. Check with Moser in Portland, IN, I know they do axles so maybe hubs also.
