Try this site m8 ive used them before for parts very helpful on the phone too
[link=http://www.tankzone.co.uk/index.htm]http://www.tankzone.co.uk/index.htm[/link]

if u mean the leo and abrams hobby engine tanks dont bother m8 use the money for HL tank,there not as topnotch as tamiya kits but for the price you cant go wrong really.
hope it helps ya m8