If the SU's have absolutely no wear at the spindle bushes or have been properly refurbed to fix that issue they should suit you. If worn offer a lot less so you can afford to have them fixed. Needles are too expensive and the springs may well be correct but again not too spendy. Removing the needles to check often ends with them being bent so be careful. Probably KD/KN needed for at least the initial set up.