General description MXR-B3 coil-overs are designed for Nissan 350Z models (2003-2008) and provide height adjustability for improved ride quality and handling. With 24 levels of rebound damping control, these coil-overs allow you to customize your setup for various driving conditions, ensuring a comfortable ride on the street and enhanced performance on the track. Technical specifications Height adjustable: Yes, lowering 25-75mm depending on vehicle model Damping adjustable: 24 levels of rebound damping force Spring Rate Rear: 7 kg/mm (392 lbs/in) Rear spring inner diameter: 70.5 mm Spring length Rear: 250 mm Rear top mount: Pillow ball Spring Preload advised: 7-10 mm Compatibility and accessories Compatible with Nissan 350Z Coupe (2003-2008) RWD Compatible with Nissan 350Z Roadster/Convertible (2003-2008) RWD Compatible with Nissan Skyline Coupe (2003-2007) RWD Compatible with Infiniti G35 Coupe (2003-2007) RWD Compatible with Infiniti G35 Sedan (2003-2006) RWD Note: Not for AWD