i was gonna buy the neuspeed or kg/mm springs and needed some onfo on their spring rates , and also the stock spring rates..anybody? also ppl who have these after market springs, ur opinions, i will be running stock tires, car is a daily driver.. thanks

 

Spring rates:
F R
OEM: 200(3.9) 275(5.2)
KG/mm sport 398(7) 448(8)
neuspeed 280 215