I am working on my '73 620. I need to replace the King Pins, upper and lower control arm bushings,  both tie rod ends, both steering arms, and  the sway bar bushings...  stabilizer, strut rod bushings.    Question;   Is the suspension the same for all the 620s from '73 through '79?   Are there left and right Tie-rod ends or are they the same. Left and right steering arms or the same part number?