I understand it's easy to remove material, but a production car should not get to a consumer in this condition. HB should just make a new aluminum ackerman that has material removed shipped with the kit. Or, more costly, make a new front diff case. I know no kit is perfect, but this disappoints me. I have a D815 too and didn't have this issue. Maybe I was lucky.
SWEEP RACING-----M2C-----TKO BEARINGS-----RW MODS----BELLGATE DISTRIBUTORS
HB D815 & D8T
MUGEN MBX7R & MGT7
TLR 22T 2.0