im going to be buying struts and springs for my car pretty soon. im getting the KYB AGXs, but i dont know which springs i should get

i dont want to go too low, i want to be able to put a jack under the car after its been lowered. i was looking at the tein s-tech springs and i want to know how much they lower my car. i heard they lower the front 2 inches and the rear 1.75. please help i dont know what springs i should get