SuperPro TRC6730 Fixed Offset Upper Control Arms with Heavy-Duty, High-Articulation Ball Joints and Polyurethane Bushings for 1–3 Inch Lifted Vehicles Elevate your 4x4's alignment, articulation, and durability with SuperPro TRC6730 fixed offset upper control arms—engineered for heavy-duty performance on lifted vehicles. Features and Benefits Designed to enhance wheel alignment on lifted 4x4 vehicles, helping reduce tire wear and improve overall performance. Fixed offset upper control arms constructed from high-strength steel forgings and tube steel; robot-welded for consistent, precise manufacturing. Heavy-duty, high-articulation ball joints allow greater suspension movement without binding for improved control over rough terrain. Includes SuperPro polyurethane bushings that offer superior resilience versus traditional rubber; resistant to abrasion, wear, and chemicals. Provides extra clearance and articulation and is designed to correct alignment on vehicles lifted 1–3 inches. High-quality welding and assembly; high-grade steel for increased strength. Approved Nationally - VSB 14 Compliant (ADR compliant). SKU TRC6730 is built for harsh off-road conditions and heavy-duty use.