IntroductionMaXpeedingRods-B3 series(also called MaXpeedingRods-SLC) based on MaXpeedingRods-B2 series(also called MaXpeedingRods-SNA) coilovers, which is also height adjustable but adds damping adjustment ability by a knob the top of the shaft. They are also made for street use, but the 24 level rebound damping control allows you the ability to perfectly dial in your coilover setup. You will experience better ride quality in all road conditions. ApplicationCompatible for TOYOTA CELSIOR 2000.08-2006.05 JPN UCF30Compatible for LEXUS LS430 2001-2006 USA UCF30 SpecificationAdjustable camber plate: No Adjustable Damper: 24 ways adjustable damper force Spring rate Front: 12 kg/mm (672 lbs/in) Spring rate Rear: 12 kg/mm (672 lbs/in) Spring length Front: 190mm Spring length Rear: 190mm Adjustable height: lowering 1-3 inch Coilover overall length Front: 490mm-600mm Coilover overall length Rear: 500mm-610mm Color: Golden Package includedcomplete coilovers for 2 front and 2 rear a p