IntroductionMaXpeedingRods-B2 series(also called MaXpeedingRods-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 performance for your daily use vehicle. ApplicationCompatible for Lexus IS 250 / IS350 RWD 2nd Gen. 2006-2013 Compatible for Lexus IS F RWD 2008-2013 Compatible for Lexus GS300/GS350 RWD 2007-2011 Compatible for Lexus GS430 RWD 2006-2007 Note?RWD Only, not fit for AWD SpecificationTop mounts: standard rubber top mount front and rear. Damping: No adjustable damper force Front Spring Rate: 12kg/mm (672 in/lbs). Rear Spring Rate: 9 kg/mm (504 in/lbs). Adjustable Height: Yes lowering 1 to 3 Shock type: Twin tube Spring Preload: 7-10 mm Color: red Package includedproduct included: complete coilovers 2 front and 2 rear,a pair wrench for height adjustment DimensionGross weight: 25.34kg Package size: 71*