Helix Suspension Brakes and Steering. Feature :: Heavy Duty Parallel Full Size Universal Main Bars w/ Adjusters :: 28.5" (724mm) Long Panhard Bar W/ Adjuster :: 40.75" (1035mm) Long Trimmable Bar Wall Thickness :: 4.1mm Heavy Duty Bushings :: YES Coil Over Brackets Positions :: 3 Coil Over Brackets :: YES Adjustable :: YES Bar Thickness :: 25 mm Brackets Thickness :: 5mm Brackets :: Included Install Hardware :: YES Number Of Bars :: 4 + Panhard Bushing Included :: YES Shock Hardware :: YES Hardware :: YES Axle :: 3" & 2 3/4" Shocks Included :: Yes Spring Rate :: 200-240 progressive Upper Crossmember :: Included Style :: Coilover Shock Adjustable :: Yes Material :: Hardened Steel Finish :: Polished Color :: Silver Charged :: Nitrogen Length :: 273 Upper Mounting :: Loop Lower Mount :: Loop Valving :: Performance Street.