TeraFlexAlpine Upper Control Arms are a major upgrade for the 2021+ Ford Bronco platform. Built from cast 6061Aluminum, these UCAs are strong, lightweight, and engineered for hard trail use. When paired with Falcon 3.3Coilovers, the Bronco gainsadditionaltravel, improved ride quality, and noticeably better control on and off the road.On the steering knuckle side, our fullyadjustablefor wearHeavy-Duty Ball Joint provides simple preload adjustment as wear developsno costly rebuilds or downtime. On the frame side, our IR bushings deliver maintenance-free comfort, smoother rotation, and more articulation than the factory armsmaximizing the performance potential of Falcon shocks.If you want your Bronco to handle the trail like a monster and still driveamazingon the street, this is the arm set that unlocks it.Bolt on no weldingrequiredInnovative IR or Independent Rotation BushingsMaintenance free suspension componentsMaximum suspension travel for off-road flex and articulationForged Front Upper ControlArmsw/IR bushingsSteering geometry correction built inTeraFlexLimited Lifetime Warranty against defectsWear adjustableBall Jointseliminatethe need for replacement or costly RebuildingCast 6061AluminumArm constructionNotes:** Not compatible with Bronco Raptor models*** Requires a maximum of 4.75″ backspacing wheels or 1.25″ wheel offset adapter pair (1058000 x2) with factory wheels.**** Always check any aftermarket tire/wheel combo for proper clearances after the lift is installed***** No bleeding of the brakes is required with the Brake Line Relocation Kit****** Alignment requiredFits:Ford Bronco 2 Door (2021+)Ford Bronco 4 Door (2021+)