These retro fit power steering systems where available in Spain from the early 1970s and produced until 2010 by TDZ in Zaragosa (Spain). In 2010 Heystee Automotive took over the rights, designs, production machines and stock to continue the production in The Netherlands, of these well designed and proven systems to ensure they will continue to find their way to many happy drivers all over the world.

The system is available for Land Rover, Toyota Land Cruiser but could be made to fit to any vehicle such as pre-WWII classic cars and trucks.