For Lexus IS300 coilovers $398.00

[Hankjim]

Fit For - 2001-2005 Lexus IS300 (usa, jdm rs200)
Quantity 2 piece front + 2 pieces rear
Front Spring rate 12 kg/mm (672 lbs/in)
Rear Spring rate Rear 10 kg/mm (560 lbs/in)
Color Golden
Damper non-adjustable Damper Force
Adjustable height YES
Adjustable camber plate No
Warranty 1 year warranty for any manufacturing defect

http://www.maxpeedingrods.com/Coilover-Suspension-Kit-For-01-05-LEXUS-IS-300-Non-Adjustable-damper-Shock-Strut.html