Introduction MXR-B2 coil-overs are designed as entry-level for street use. It features height adjustable & adjustable camber plates (applicable for some vehicles), which offer you a lowered stance, & enhanced performance for your daily use vehicle. Application Compatible for HONDA CIVIC & Si VIII 2-door coupe (FG1/FG2) 2006-2011 compatible for HONDA CIVIC & Si VIII 4-door sedan (FA1/FA2/FA3/FA4/FA5, North America only) 2006-2011 compatible for HONDA CIVIC & Si VIII 4-door sedan (FD1/FD2/FD3/FD4/FD6/FD7, International model) 2006-2011 compatible for Acura CSX 4-door sedan( Canada)2006-2011 Note: not for the Mugen trim level. Specification Front top mount: Pillow ball with camberplate Rear top mount: OE top mount required Damping adjustable: Not available Height adjustable: Yes, lowering 25-75mm depending on the vehicle models Camber adjustable: Available Spring rate Front: 7 kg/mm (392 lbs/in) Spring rate Rear: 6 kg/mm (336 lbs/in) Front spring inner diameter: 70.5mm Rear spring inner d...