Free download Digital-version Catalog of parts and services offered for the 1968-1973 Opel GT by Opel GT Source. Includes technical information on maintenance and upgrades. Versions typically updated as Opel part inventory is added or is changed. Available for free, as a downloadable Adobe Acrobat PDF file via the "Catalogs" tab on our website at: http://www.opelgtsource.com Over 120 pages, 8 1/2" x 11", black-and-white cover. Also includes many drivetrain parts for Manta/Ascona and Kadett B models.