I don’t believe so. Mine rubbed also, so I removed some material from the outboard part of the calipers to gain clearance. I have the Wilwood spot calipers, which are different than yours, so removing material doesn’t appear to be an option for you.
Someone else posted some time ago that they sent the brackets back to RCR (if I remember correctly) and had them modified by cutting and re-welding them to move the calipers inboard about 1/4”. You may want to check with them to see if they can do that for you if that’s something outside of your expertise. A local (to you) machine shop may also be able to do that for you.