Restores precise factory alignment and eliminates lifted steering wander with the Bilstein B8 Pro Upper Control Arm Kit.

Engineered for trucks and SUVs running aftermarket lift packages or coilover risers, this replacement assembly directly addresses the positive-caster loss that triggers vague steering feedback, rapid shoulder-tire wear, and directional instability. Each kit arrives fully assembled with all mounting nuts, ball joint boots, torque specifications, and illustrated procedures for a clean garage conversion.

• Forged from structural 4130 chromoly steel tubing and coated with a dense black powder finish to deflect rock chips, tolerate UV degradation, and halt rust penetration in off-road or winter conditions.
• Precision-drilled mount holes replicate original equipment centers, delivering a direct bolt-on fitment that eliminates template tracing, bracket modification, or shop re-alignment requirements.
• Features proprietary low-friction sealed pivot bushings designed to track linearly under load while permanently sealing out dust, which prevents squeaking and removes lifetime regreasing duties.
• House high-tensile sealed ball joints that increase vertical suspension droop, distribute axial stress more evenly across the bearing race, and preserve firm, vibration-free steering feedback.
• Reset caster geometry back to the manufacturer’s intended rake angle, correcting pull tendencies, improving high-speed lane-centering confidence, and extending tread life across the entire axle.
• Dimensions measure exactly 18.25 by 15.0 by 8.0 inches with a net shipping weight of 20 pounds, allowing straightforward placement on standard workbenches and reducing installer fatigue during removal and reinstallation.
• Harmonizes with Bilstein dampers and progressive coil springs thanks to measured knuckle envelope clearance and thickened lug weld seams that prevent flex under hard acceleration or impact loading.