UMI Performance 265256-1-B Upper Lower A-Arm Control Arm GM F-Body - Set 1970-1981

The UMI Performance 265256-1-B is a complete upper and lower A-arm control arm kit designed specifically for 1970-1981 GM F-Body vehicles. This second-generation performance suspension system delivers professional-grade handling improvements with a total of 8+ degrees of caster potential through strategically relocated ball joints. Made in the USA from DOM steel tubing and finished in your choice of UMI red or gloss black powder coat.

Advanced Geometry Features:

• Upper ball joint relocated rearward adds 5-6 degrees of caster potential for improved high-speed stability
• Lower ball joint moved forward increases caster by 2 degrees, enhancing steering feel and straight-line tracking
• Spindle pin location remains factory specification to maintain proper fender clearance
• ½" taller upper ball joint improves camber gain and cornering traction
• Adjustable upper A-arms with rod ends eliminate shim requirements and simplify alignment

Construction and Components:

• Upper and lower A-arms constructed from USA-made DOM (Drawn Over Mandrel) steel tubing
• UMI-built Delrin bushings reduce deflection and improve steering response
• Teflon-lined rod ends provide superior friction reduction for quick suspension response
• Heavy-duty spring bucket accepts factory coil springs, aftermarket springs, and popular hybrid coilover units from Viking, QA1, and others
• Laser-cut UMI reinforcement plates add strength and visual appeal
• Double-shear swivel sway bar end links and hardware included, compatible with UMI P/N 4035 and most factory eyelet-style sway bars

Installation and Compatibility:

• Direct bolt-in application for 1970-1981 GM F-Body (Camaro, Firebird, Trans Am)
• Complete kit includes upper A-arms, lower A-arms, sway bar end links, and mounting hardware
• Available in UMI red or gloss black powder coat finish

This performance A-arm kit bridges the gap between street and track use, offering F-Body enthusiasts a professionally engineered suspension upgrade that delivers measurable improvements in handling, steering precision, and high-speed stability. Designed, manufactured, and race-tested in Philipsburg, Pennsylvania, USA.