UMI Performance 303233-1-B Tubular A-Arm Control Arm Kit Upper Lower

The UMI Performance 303233-1-B complete upper and lower A-arm kit replaces worn factory stamped steel control arms with precision-engineered tubular construction designed for superior handling and durability. Built in Philipsburg, PA, this comprehensive suspension upgrade delivers an 8-pound weight savings over stock components while providing significantly improved performance on the street, drag strip, or road course.

Premium Construction Features:

• TIG-welded DOM tubing construction for exceptional strength and clean appearance
• CNC-machined 4140 chromoly cross shafts with zinc plating for corrosion resistance
• Precision CNC-machined ball joint holders and tubing radiuses
• Jig-built assembly ensures perfect fitment every time
• Durable powder coat finish available in glossy black or red

Performance Engineering:

• Upper A-arms feature 1/2" taller ball joints for improved camber curve performance
• Relocated upper ball joint mounting pad increases caster for better steering feel without excessive shims
• UMI-designed and manufactured Delrin bushings in both upper and lower arms provide precision handling with smooth suspension action
• Greaseable Delrin bushings ensure low deflection and long service life
• Angled ball joint mount accommodates lowered vehicles while providing additional wheel and tire clearance

Complete Kit Includes:

• Upper and lower A-arms with premium ball joints pre-installed
• Polyurethane bump stops installed in both upper and lower arms
• Hardware kit (Part #3802) with metric Grade 10.9 bolts, washers, and nylock nuts
• Recommended alignment specifications for optimal performance and tire life
• Detailed installation instructions

This bolt-on kit is compatible with factory spindles, drop spindles, and works with factory springs, lowering springs, and coil-over conversion kits including popular QA1 setups. Ships fully assembled and ready for installation.