1978-1988 G-Body, S10 Tubular Front Upper A-Arms, Adjustable

UMI’s 3056 adjustable upper a-arms are designed to excel in Pro-Touring, road race, auto-x and hot street corner carving. The race quality rod ends provide shim-free camber and caster adjustment along with ultimate smooth travel. This arm features a relocated ball joint pad to increase caster and improve stability and steering feel as well as a shortened cross shaft to ball joint distance. We recommend the 3056 arm for all racing applications. Arm includes ½” taller baller joints for improved camber curve. 100% manufactured, tested and raced out of Philipsburg, PA – USA. Features and benefits: Relocated ball joint pad for increased caster and improved steering feel without excess shims. 1/2” taller ball joint for improved camber curve. CNC laser cut ball joint mounting pad. 0.120” wall thickness 1.250” diameter DOM tubing. TIG welded for superior strength and clean looks. 4130 CrMo cross shafts, CNC machined & zinc plated. Polyurethane bump stops included. Travel limiting bolt compatible. Direct bolt-in compatible with factory or UMI lower a-arm. May also work in conjunction with other lower a-arms and/or spindles (contact UMI to discuss). Package includes recommended alignment specs and detailed installation instructions. Designed, tested, manufactured and raced in Philipsburg, PA-USA. Note: Upper a-arm P/N 3056-2 includes ½” taller ball joints and works with factory spindles. In most cases shims are not needed. Shims may still be required on some applications.