UMI Performance 230011-R Tubular Front A-Arm Control Arm Set 4th Gen

The UMI Performance 230011-R is a complete tubular front A-arm control arm set engineered for 4th generation F-body vehicles seeking improved suspension performance and weight reduction. This combination kit pairs race-spec lower A-arms with street-friendly upper A-arms to deliver increased rigidity, precise steering response, and an 8-pound weight savings over factory components—making it an ideal drag racing upgrade that remains budget-conscious.

Construction and Materials:

• Precision-bent 1-1/4" diameter USA-made DOM (Drawn Over Mandrel) mild steel tubing
• TIG-welded 4130 chromoly threaded tube adapters on lower arms for exceptional thread durability
• CNC-notched and jig-welded construction ensures consistent geometry and strength
• Heavy-duty 1/4" thick CNC laser-cut steel shock mount on lower arms
• Durable powder coat finish available in red or black

Performance Features:

• Premium upper and lower ball joints pre-installed in CNC-machined lower cups and laser-cut upper pads
• Teflon-lined, high load capacity race rod ends on lower arms for reduced friction and binding
• Greasable polyurethane bushings in upper arms provide street-friendly compliance
• High-grade shock mounting hardware included with each set
• True bolt-on installation compatible with factory or aftermarket K-members and stock spindles

What's Included:

• Complete upper and lower A-arm set with ball joints installed
• Shock mounting hardware
• Uses balance of OEM mounting hardware or optional UMI hardware kit P/N 2303 (sold separately) with Grade 10.9 bolts, washers, and Ny-lock nuts

Proudly manufactured in Philipsburg, Pennsylvania, USA. For those seeking maximum weight reduction, UMI offers a chromoly version (P/N 230011CM) using 4130 CrMo tubing throughout, achieving a total 10-pound weight savings while maintaining structural integrity.