Brakes Shaking on decall

[RunitHard]

when Braking i get a mild or hard shack on the wheel, only when breaking, drive is good, besides needing new shocks, i took wheels off and tightend all caliper studs, iand the rotors look smooth and ok, i want to get the powerslot rotor, and hawk feramic pad kit, found for about 150 for all, or should i take it to the shop and get the braking system checked, plz help

[98civcEK]

rotors are more than likely warped. mine were when they did that at least. got new ones and it solved the problem....mine were beyond the point of resurfacing