Index check those rotors , torqued down ,on the car too for ANY runout , "wobble" etc. , also eliminate if the problem is not poor highway paving ,where I got a "resonance" at a certain (60-65) speed , just in my case spending over a thousand dollars on several brand new and QUALITY (not China) suspension components is not in my future for simply because parts of the 202 and 101 in phoenix that have been partially redone correctly now, ya know. Car , J30 too old for that - but minor shake in front ( J30 notoriously intense "road feel" ) FWIW was comletely corrected with quality Powerstop slotted/drilled rotors ,INDEXED (checked in the process) PROPERLY. For your satisfaction of course I'm sure you will
"do what you gotta do" .Hey some of that CRAP is really cheap on th e Bay !