are all suspension comp. the same?

[sal7506]

do the upper "camber arms"from the coupe,sedan,and the 350 z interchange?i have an 03 sedan and it has camber /caster issues .i would like to correct this ,can anyone give advise as to what brand is better,as i have seen some on e bay for around 300.00,as well as rear toe links for 250.00(upper and lowers).i might as well lower it since i am changing these pieces!!!!