I might have the ideal solution for you, Predannack the Royal Navy Fire establishment actually has amongst their Harrier GR 3's sitting outside unloved and abandoned XV753 which is a genuine 1Sqn Harrier, also as it is still in house so to speak, perhaps you could come to some agreement, and as there are a couple there, parts shouldn't be an issue to complete one.
Pictures of her
xv753 predannack - Google Search
Details of Predannack and more images
Royal Naval School Of Fire Fighting Predannack - Aircraft & Airshows
In her better days
Gastflugzeuge der Royal Air Force – No 1 Sqn | Spotting Group Gütersloh - Flugplatz von 1937 bis heute
Taken last year shows how complete they are
Report - Predannack, Cornwall, March 2011
If it works out, can you get me the canopy bungees off the jag there for someone with a cockpit
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