Control Arm - Tubular - Front - Upper - Spherical Rod Ends - Steel - Black Powder Coat - GM B-Body 1978-96 - Pair

Introducing UMI’s 2nd Gen F-body and 78-96 B-Body adjustable upper a-arms – the ultimate combination of race-worthy performance and street-smart versatility. Enjoy improved cornering traction and steering precision with our P/N 2656-1 adjustable upper a-arms. Achieve the perfect balance of caster and camber adjustment without excessive shimming, thanks to UMI’s single adjustable rod end design. Made with robust tubular construction and 4140 CrMo cross shaft for peace of mind on the track or mountain roads. Available in striking UMI red or sleek gloss black powder coat finishes - proudly designed, manufactured, and raced in the USA. Ideal for Pro-Tour style cars requiring stability and cornering performance, suitable for race and street use. 100% manufactured in Philipsburg, PA, USA.

Additional Information

UMI’s adjustable upper A-arms (P/N 2656-1) boost traction, steering, and alignment control with a single adjustable rod end. Built from tubular steel with a 4140 CrMo cross shaft, powder coated in red or black and proudly made in the USA.

Features and Benefits

• ½” Taller ball joint improves camber gain and cornering traction
• 100% manufactured in Philipsburg, PA, USA
• Camber range from -0.5° to -3°
• Combine with UMI lower A-arms for 8 to 10 degrees of positive caster
• Constructed with 1.250” USA Made DOM steel and 4140 threaded adapters for durability
• Direct bolt-in for 1970-1981 GM F-body
• Enhances steering feel with 5 to 6 degrees of additional caster, reducing wandering
• Features 4140 CrMo cross shaft for added strength
• Ideal for Pro-Tour style cars requiring stability and cornering performance, suitable for race and street use
• Includes thick laser-cut ball joint plate with high-quality tall ball joint
• Rod ends minimize stiction for responsive drag race reaction and consistent times
• Shorter design reduces need for shims with racing alignment settings

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

• ½” Taller ball joint improves camber gain and cornering traction
• 100% manufactured in Philipsburg, PA, USA
• Camber range from -0.5° to -3°
• Combine with UMI lower A-arms for 8 to 10 degrees of positive caster
• Constructed with 1.250” USA Made DOM steel and 4140 threaded adapters for durability
• Direct bolt-in for 1970-1981 GM F-body
• Enhances steering feel with 5 to 6 degrees of additional caster, reducing wandering
• Features 4140 CrMo cross shaft for added strength
• Ideal for Pro-Tour style cars requiring stability and cornering performance, suitable for race and street use
• Includes thick laser-cut ball joint plate with high-quality tall ball joint
• Rod ends minimize stiction for responsive drag race reaction and consistent times
• Shorter design reduces need for shims with racing alignment settings

Please note that this information serves as a fitment guide only. For specific fitment questions or clarifications, please contact us, as manufacturers may introduce variations and modifications during model year or regional revisions. While we strive to provide accurate data, fitment details may vary by region; therefore, compatibility outside the listed region and submodel variant cannot be guaranteed.