i think you can order the complete kit, or replacement covers, sounds like you ordered just the replacement covers ?
if these were from rocky mountain ? a call to them will set you straight
Just for comparison, my Acerbis guards. Although full plastic, they offer serious roost and rollover protection.
Before the steering stem was extended:
After the steering stem was extended 3" (this shot makes it look taller than it is due to angle and lens):