COM BOX:4.5-6in. 21> F150 4WD

Knuckles Keep Same Steering Geometry And Turning Radius,Enjoy Enhanced Attitude And Increased Suspension Clearance,Front And Rear Crossmembers Properly Reposition LCA Mount,Modern Exacting CNC Laser Cut / Bends And Machining,Works Properly with Electronic Stability Control [ESC] System,Prevents CV Axle Overextension Within The OEM Tolerances,Differential Brackets Lower And Correct Front Driveshaft Angle,Three Separate Diff Brackets Reposition Correct CV Angles,Aggressive Look / Unparalleled Performance / Impressive Ride,CNC Machined Ductile Iron Knuckles Preserve Oem Track Width,Precision Engineered To Maintain Proper Suspension Geometry,No Cutting No Grinding Of Front Differential Housing Required