I have a brand new 1.5L aluminium vertical header tank from Optimum Balance Products (rrpŁ72), along with a 20lb chrome pressure cap (rrpŁ11.68) surplus to my needs.
Full specs with all of the dimensions is as per their website:-
Header tank linky
Pressure cap linky
Hopefully the picture works
looking for Ł50 delivered
Cheers
Paul
[Edited on 22/3/19 by Paul_Arion]
[Edited on 23/3/19 by Paul_Arion]