You could grind to a flat on the front plate. It would be quite a bit of grinding and if you needed to replace the jack on the road (I did once) you'd have to do it on a replacement also. The plate just makes it so any standard jack, bike rack, etc. fits with no modification.AnOldUR said:@SLJ Curious if you could have ground a flat on the round flange instead of purchasing the plate? That worked for the Ultimate Jack installation on our 320S with similar interference.