Simmonites do a universal light bar not sure if it is any good
know its not the a bar but.....1997 range rover p38 door mirror breaking spares parts on eBay (end time 22-Dec-10 17:52:45 GMT)
you could cut it down?
have you rang joe..alredy emailed them a few days ago, its been sold, checked every P38 for breaking on ebay, none of them have them for sale