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【Fit Perfectly】 For Nissan 370Z Z34 coupe and roadster RWD 2009+ USA ; For Nissan 370Z Nismo Z34 coupe (not for convertible) RWD 2009+ USA; For Infiniti G37 V36 sedan RWD 2009-2015 USA only; For Infiniti G37 V36 coupe (not for convertible) RWD 2008-2013 USA only
【Upgraded Version】We adopted track grade springs, added better viscosity track grade damping oil with good adhesion, corrosion resistance, and good damping at very high and very low temperatures; improved handling and adjusted valve coefficients. These greatly improve comfort and stability. In addition, the dust-free assembly and improved handling process enable our products to achieve higher quality and better results
【24 Levels Adjustable Damper for More Control】 Level 0-8 suggest for street use;Level 9-16 suggest for mountain anfractuosities use;Level 17-24 suggest for race tracks use. You can adjust it at any time to suit your needs
【Spring Rate】 Spring rate Front: 10 kg/mm (560 lbs/in)& Spring rate Rear: 7 kg/mm (392 lbs/in)with spring preload: 7-10 mm. High Tensile performance spring - stress tested over 600,000 times while the spring distortion is less than 0.04%
【Adjustable Height】 The height is adjustable for 1-3 inches(does not keep the original ride height), allowing you to have a more aggressive stance. This design helps eliminate turning noise and also improves steering feel and response. In addition, we have adopted a deep groove ball bearing structure to help eliminate cornering noise and also improve steering feel and response