
Introductionma Xpeedingrods T6 lowering coil-over, standard with adjustable rebound damping, separate height adjustment without changing preload, developed damping oil & upgraded racing springs, adjustable camber plate(for some vehicles), & decent outlook, offers you more ability to tune your suspension on performance & gives your vehicle more impressive appearance. Besides, all our coil-overs are assembled in a dust-free factory, which turns out good quality & long life. Application Compatible for Mercedes-Benz SL500/SL600/SL55 AMG / SL63 AMG (R230 Chassis) 2003-2011 Note: Can be used as an Air-to-Coil Conversion Kit. Installation may require ECU reprogramming due to the ABC system in these models. Specification Front & rear top mount: Standard rubber Damping adjustable: Available, 24 levels of rebound damping force Height adjustable: Yes, lowering 25-75mm depending on the vehicle models Camber adjustable: Not available Spring rate Front: 18 kg/mm (1008 lbs/in) Spring rate Rear...