UMI Performance 3056-B Adjustable Upper A-Arm | Pro-Touring Race Quality Control Arm

The UMI Performance 3056-B is a race-engineered adjustable upper A-arm designed to excel in Pro-Touring, road racing, autocross, and high-performance street driving. Featuring race-quality rod ends, this arm delivers shim-free camber and caster adjustment along with ultra-smooth suspension travel. The relocated ball joint pad increases caster and improves steering stability and feel, while a shortened cross shaft-to-ball joint distance further refines handling precision.

Key Features:

• Constructed from 0.120" wall thickness, 1.250" diameter DOM tubing for exceptional rigidity and durability
• TIG welded construction for superior strength and clean aesthetics
• 4130 chromoly (CrMo) cross shafts, CNC machined and zinc plated for corrosion resistance
• Laser-cut ball joint mounting pad for precise fitment
• Relocated ball joint pad increases caster and improves steering feel — no excess shims required
• Travel limiting bolt compatible
• Polyurethane bump stops included
• Direct bolt-in compatible with factory or UMI lower A-arm and factory spindle with tall ball joints
• Package includes recommended alignment specifications and detailed installation instructions
• Designed, tested, manufactured, and raced in Philipsburg, PA — USA

Important Fitment Notes:

• Must be used with tall spindles using standard height ball joints, or tall ball joints on a standard height spindle
• Not designed for use with standard height ball joints on standard height spindles
• In most cases, shims are not required; however, shims may still be needed on some applications
• Ball joint not included
• May also work in conjunction with other lower A-arms and/or spindles (contact UMI Performance to discuss compatibility)

Built entirely in the USA, the UMI Performance 3056-B upper A-arm is the recommended choice for all racing applications where precise alignment control, robust construction, and proven on-track performance are essential.