Swedish importer of 3MO Performance transmissions. We are also rebuilding gearboxes and dampers. The main work we do are as freelance engineer at rally and race testing and competitions. J-tech was started by Joakim Zetterström who has over 25 years of experience in motorsport from both internationals and Swedish teams. Joakim has been working in a gearbox department in a WRC team as well as a race engineer in STCC (Swedish touring car championship). And in the period 2016-2018, Joakim was employed as an engineer at Hyundai Motorsport in Germany, where he worked with both international rally drivers and customers.