ApplicationCompatibleFor Dodge Magnum 2005-2008CompatibleFor CHRYSLER 300C 2005-2010CompatibleFor DODGE CHARGER, SRT8, R/T (06/2005-12/2010)CompatibleFor DODGE CHALLENGER Coupe (09/2007-) SRT8SpecificationDaily driver, occasional autocross day or occasional track daysProduct included: complete coilovers 2 front and 2 rear/ a pair wrench for height adjustmentTop mounts:pillow ball top mountsCamber plate：NODampening: no adjustableSpring rate: front：12 kg/mm (672 lbs/in)；rear：14 kg/mm (784 lbs/in)Weight: 29820g; Size:71*51*21cmAdjustable height: Yes lowering 1\'\' to 3\'\'Shock type：Twin tubeSpring Preload: 7-10 mmColor：goldenWarranty: 1 year Feature- Able to lower ride height by 1\'\'-3\'\'; allows user to have a more aggressive stance.- The user can enjoy a comfortable riding experience in all road conditions.- Pillow ball top mount -- this design helps combat noise while tuning. It also improves the steering feel and response- Twin-Tube Shock design is used for low internal frictional resistance in order to increase efficiency and keep shock temps low.- Height adjustment does not sacrifice damper stroke length.- These coilovers are able to have their height adjusted without being taken out of the car.- Most components of the suspension parts are made from 6061-T6 aluminum to increase strength and rigidity.- High Tensile strength performance spring---Tested under a 600,000 time continuous compression test, the spring distortion was less than 0.04%. Plus, the special surface treatment improves the durability and performance.- Adjustment tools included in the kit.Note- No instruction included; Professional installation alignment suggested. -Please check our store for other auto parts you may be interested in. -Please feel free to contact us for whatever we can help.