Do them yourself - PlastiKote "Bright Red" #1120 is a good enough match at 5 quid a can from B&Q...
http://217.199.188.40/xmb/viewthread...=8092#pid65916 Just make sure you rub them down with Wet'n'Dry first to remove all the seams and then give them some undercoat (use the matching PlastiKote battleship grey stuff) and then finish off with plenty of clear laquer (again PlastiKote) and they'll be fine.