... arc ball track, the C.V. joint runs smoothly without noise or locking.Heat treatment equipments are made in Germany.Various ModelsCV ... ,A5,S5,A6,S6,RS6,A8,S8,TT,R8,Q7 2.Alfa Romeo :147,159,GT,Brera,Spider,3.BMW :1 ... 470 12.Suzuki : Swift/Cultus,SX4,Twin,Wagon R,X-90,XL7 13.Benz :A-Class,C-Class,CLK-Class,E ...