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- APPLICABILITY: the coilover suspension struts fit for 2011 2012 2013 2014 2015 for Kia Optima. Professional installation recommended.

- ADJUSTABLE PERforMANCE: Spring rate Front:9kg/mm(504 lbs/in), Spring rate Rear:6kg/mm (336 lbs/in). The Coilover Struts is able to Independently adjust lower mount allows precise adjustment of the veh...

- FUNCTION: Improve steering performance, prevent cornering understeer and oversteer, reduce cornering roll. Improve braking performance, reduce brake overshoot, shorten braking distance, improve drivin...

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- Compatible With Kia Optima (TF) 2011 2012 2013 2014 2015; USA Built Requires End Links. Duralast Part#: 19957 (12.6875")

- Spring Rate: Front - 6 kg/mm (336 lbs/inch) | Rear - 7 kg/mm (392 lbs/inch) // Damping Levels: 16 Levels // Top Mount: Front - Yes, Standard Pillow Ball | Rear - No, Re-Use Factory Top Mount

- Mono-Tube Shock Design With 16 Levels of Damping Force Adjustment Combined With Upgrade Spring Rate.

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- 36-WAY ADJUSTABLE DAMPING - All Ksport coilovers offer 36 levels of damping which allow you the ability to perfectly dial in your coilover kit. Set damping to full soft for a nice comfortable cruising...

- COLLARS AND UPPER MOUNTS MADE FROM 6061 ALUMINUM WITH T6 FOR INCREASED HARDNESS -Our spring perches, locking collars, top mounts and some lower mounts are made from high quality 6061 aluminum. Benefit...

- CAMBER ADJUSTMENT ON MANY MODELS - Many of our applications that have pillowball upper mounts also have camber adjustability. This is extremely helpful when you need to dial in your camber for vehicle...

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- COMPATIBILITY: The Coilover struts fit for 2011 2012 2013 2014 2015 for Kia Optima. Spring rate Front:9kg/mm(504 lbs/in), Spring rate Rear:6kg/mm (336 lbs/in)

- DRIVING SAFETY: After long distance driving, the performance of the shock absorber will be degraded. Using a shock absorber with too low damping force will result in reduced driving stability, longer...

- IMPROVE DRIVING QUALITY: The adjustable coilovers has a higher quality than the original shock absorber, which can better filter bumps and improve maneuverability for a more driving experience.

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- Compatible With Kia Optima (TF) 2011 2012 2013 2014 2015; USA Built Requires End Links. Duralast Part#: 19957 (12.6875")

- Spring Rate (Front/Rear) : 6 kg/mm/7 kg/mm; Damping Levels: 16 Rebound Force Levels

- 52mm Mono-Tube Stainless Steel Shock With 16 Levels of Damping Adjustment Corresponds to Daily Driving Scene To The Sunday Track

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- Compatible With Kia Optima (TF) 2011 2012 2013 2014 2015

- Spring Rate (Front/Rear) : 6 kg/mm (336 lbs/inch)/7 kg/mm (392 lbs/inch); Damping Levels: 32 Ways

- Specially Designed Coil Springs Over Shock Kit To Lower The Vehicle Proper Way

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- TruHart StreetPlus Coilovers Compatible with 11-14 Hyundai Sonata EXCL HYBRID 11-15 Kia Optima EXCL HYBRID

- Part Number: TH-K802

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These marvels of engineering are here to transform your bland and boring ride into a corner-carving, road-hugging beast that'll leave you grinning like a lunatic. With their adjustable ride height, improved handling, and jaw-dropping looks, coilovers are the answer to every petrolhead's dreams. So, do yourself a favor and banish those wimpy factory suspensions to the scrap heap—embrace the coilover cult and unleash the true potential of your beloved car!