Those tabs prevent shearing of the bolts which hold the wheel cylinders in place. They also prevent the casting from breaking where the threads pass through. This all comes into play during emergency stops.
Grind if you must. I don't know anyone who shares the road with you in Colorado, and I don't expect to be driving through there either...
It would be a better idea to discover what is actually causing the problem.
Have you searched any NAPCO forum sites? They should be able to help you.
Last edited by 52Carl; 04/13/2020 12:34 AM.
