KONI is the premier manufacturer of adjustable shocks in the world. Their products are made from the highest quality raw materials and machined to the highest tolerances. KONI has been in business for 150 years, involved in automobile dampers since 1932, and has produced adjustable telescopic dampers since 1945. In addition, though known best for cars, KONI builds shocks for trucks, buses, RVs, and railway rolling stock. What this adds up to is well-earned design and manufacturing expertise.