i BOUGHT THESE PAIR OF SHOCK TOWER COVERS FROM THE GOOD OLD USA FOR AU$10.00 POSTED. IT GETS RID OF THE UNSIGHTLY TOWER HOLES AND TIDIES UP THE ENGINE BAY. VERY GOOD VALUE! ENJOY.
BTW, I've seen caps like this somewhere before - although not in a car accessory shop. I think it was in B&Q or something. There where chromed, rubber, & coloured ones.
I think they were called 'bungs' or something.
Evena quick search on google comes up with plenty of sources...for example.