Complete Coilovers Kits Kia Optima 2.0L 2011 2012 - 2015 Adj. Height Strut lowering kit

Application Compatible for Kia Optima 2011 2012 2013 2014 2015 Note: New sway bar link is required for SX trim Specification - Top mounts: pillow ball top mount front , standard rubber top mount rear - Quantity: 2 piece front + 2 pieces rear - Spring rate Front: 9kg/mm (504 lbs/in) - Spring rate Rear: 7.5kg/mm (420 lbs/in) - Damper: Non adjustable damper - Adjustable Height: Yes lowering 1" to 3" - Shock type: Twin tube. - Spring Preload: 7-10 mm. - Color: Golden - Warranty:1 year warranty for any manufacturing defect Feature - Adjustable ride height. - Adjustable pre-load spring tension. - Most components are made from 6061 aluminum with T6 for increased hardness -- the advantages include excellent strength, and aluminum helps keep the weight down. - Hi Tensile performance spring - Under 600,000 times continuously test, the spring distortion is less than 0.04%. Plus, the special surface treatment is to improve the durability and performance. - All inserts come with fitted rubber