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The ST X Coilover suspension was developed for the everyday driver who needs to hug the curves yet retain road comfort. Simple, uncomplicated road performance for those who just want to get in and drive. Add in our wide range of height adjustability; the ST X Coilover will look as perfect as it feels. ST XCoilover kits deliver precise adjustment to your ride height and look of your car. We manufacture an adjustable spring perch made of durable and friction-optimized polyamide composite material with a stainless steel insert. Thanks to the composite material corrosion is prevented between the strut and perch ensuring long lasting height adjustability. Galvanized zinc coated steel struts optimize corrosion protection for long lasting use. We add a dust protection system to prevent unwanted dirt and particulate from coming in contact with the hardened chrome piston rod or getting into the valve packs. We reinforce the system with a multi-layered pressure resistant sealing package, mono block guide system and a low friction piston band which works inside the pressure resistant internal damper housing. At ST suspensions we do not accept compromises. As a matter of principle we rely on world class engineering delivered from KW for all our dampers. Why? To simply improve your driving experience! All ST X Coilover kits are application specific for your car and perfectly adapted for everyday life.
The ST X Coilover system is the ideal mix of sportiness and simplicity while still maintaining some comfort on the street. The wide range of ride height adjustability allows you to fine tune your tire and wheel fitments.

Fitment:
Infiniti G37 Base 2008 to 2012
Infiniti G37 IPL 2011 to 2013
Infiniti G37 Journey 2008 to 2013
Infiniti G37 Sport 2008 to 2013
Nissan 370Z 40th Anniversary Edition 2010
Nissan 370Z Base 2009 to 2020
Nissan 370Z Nismo 2009 to 2017
Nissan 370Z Nismo 2019 to 2020
Nissan 370Z Nismo Tech 2015 to 2018
Nissan 370Z Sport 2015 to 2020
Nissan 370Z Sport Tech 2015 to 2018
Nissan 370Z Sport Touring 2019 to 2020
Nissan 370Z Touring 2009 to 2019
Nissan 370Z Touring Sport 2015 to 2018

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