maXpeedingrods Coilover 24 Damping Level Setting for Infiniti G37 Sedan Coupe 2008-2015 For Nissan 370Z 2009 Coupe/Roadste, Spring Shock Absorber Suspension Coil Strut Amortiguador Lowering Kit - FF81SA

• 【Fitment】 For INFINITI G37 SEDAN 2009-2015 V36 USA RWD only & For INFINITI G37 COUPE 2008-2013 V36 USA EXC 4WD&CONVERTIBLE. For NISSAN 370Z 2009-2022 Z34 USA Coupe and Roadster & For NISSAN 370Z NISMO 2009-2022 Z34 USA NISMO COUPE（not for convertible） 【24 Rebound Force Levels 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】 Front Spring rate: 10 kg/mm (560 lbs/in) & Rear Spring rate: 7 kg/mm (392 lbs/inch). Spring length Front: 230mm & Spring length Rear: 200mm. Coilover overall length Front: 500mm-600mm & Coilover overall length Rear: 465mm-525mm. 【Lowering Kits】 The height adjustable by 1-3 inches, allowing you to have a more aggressive stance. This design helps eliminate turning noise and also improves steering feel and response.(NOTE): These coilovers struts will "Lower your car" and DOES NOT keep to original ride height. 【Twin-tube Structure】 Compared to mono-tube construction, the twin-tube has longer stroke and higher height adjustability, and they will give you a more comfortable riding experience by reducing the pressure on the joints and also minimizing friction and ensuring sufficient travel with less effort.