S 1 heater box wanted. Air con type

As title says I need to refurb / remake my heater…main part required is the " box" which houses the heat exchanger and flap mechanism.
Can you help please?

http://www.ebay.co.uk/itm/Lotus-Elise-Heater-Box-Lotus-Elise-S2-Heater-Box-Elise-Heater-Non-A-C-/291613441124

Maybe something you could do with this…

Thanks for that Johnny
Member on SELOC offering S2 non a/c unit that might suit.
Cheers
Clive