In the Youtube video below Dan will explain the difference between shock absorbers in oil and gas.
(The video is in swedish but english subtitles are available)
Fits the following cars:
Mercury 67-73
Falcon 60-65 All
Falcon 66-70 sedan/CV (not wagon - uses 343135)
Cougar 67-73
Sverige
Finland
Denmark
Norway
Germany
Switzerland
United Kingdom
Netherlands
Andra EU-länder 
Alla andra länder 
Austria
Belgium
Bulgaria
Croatia
Cyprus
Czech Republic
Estonia
France
Greece
Hungary
Ireland
Italy
Latvia
Lithuania
Luxembourg
Malta
Poland
Portugal
Romania
Slovakia
Slovenia
Spain