As per title, S2 header tank needed - cash waiting - thanks!

 

There are 2 types of Escort Mk4 Rs Turbo header tanks and both are not available from Ford. What type are you after? There is the early type and the 90 Spec One.
You could try this seller as he had them for sale previously.
http://www.ebay.co.uk/itm/3223663476...84.m1436.l2649

 

Car parts express usually sell them