IntroductionMaXpeedingRods-SNA coilovers are designed as an entry level for street use. It features with full length height adjustable and adjustable camber plates (applicable for some vehicles),which offers you a lowered stance, improved performancefor your daily use vehicle.ApplicationCompatible for NISSAN 350Z coupe2003-2008 USA (Z33) Compatible for NISSAN 350Z ROADSTER convertible 2003-2008USA (Z33 ) Compatible for INFINITI G35 COUPE 2003-2007USA(V35) RWDcompatible for INFINITI G35 SEDAN 2003-2006USA(V35) RWD Note: (not for G35X sedan)Notice: The coilovers kit will Lower your car and does not keep to the original ride height.SpecificationTop mounts: pillow ball top mount front and rear. Damping: No adjustable damper force Front Spring Rate: 10kg/mm (560 lbs/in). Rear Spring Rate: 7kg/mm (392 lbs/in). Adjustable Height: Yes lowering 1 to 3. Shock type: Twin tube. Spring Preload: 7-10 mm. Color: goldPackage includedproduct included: complete coilovers 2 front and 2 rear,a pair wr