Cxracing 97-05 LEXUS IS300 IS 300 Coilover Suspension Kit 32 Step Damper Adjust CXRacing Damper CoilOver Suspension Kit for 97-05 LEXUS IS 300 Mono-Tube, Top Mount, 32 Step Damper & Ride Height Adjustable Spring Rate: Front 12kg(670 lb/in) / Rear 10kg(558 lb/in) 32 Step Damper Adjustable- Precise control damp valve, Operates smoothly on all road surfaces- Expansion/Suppression of shock adjustment- Height and low adjustable, Superb road holding qualities and great looks- Single Cylinder, or Mono-Tube Design, with Larger cylinder and piston design, advances driving stability and dexterity- ARTC Durability Test & Salt Spray Fog Test, Guaranteed with Top Quality Material and Long Durability One Year Warranty*: We offer one year warranty for manufacturing defective parts. Professional Installation is a must for this warranty, without a professional installation receipt, warranty is voided. Bad part must be returned for inspection for exchange new part.