# UMI Performance 71-72 GM A-Body Bump Steer Adjuster Kit UMI’s 4060-1 GM A-body bump steer kit (1971-1972) is designed to reduce or eliminate toe change during suspension travel (bump steer). This improves handling, straight line stability, and overall precision of the steering system. The kit includes a heavy-duty 5/8″ bolt for the outer tie rod stud to increase strength over the factory tapered design. The adjuster is made of 6061-T6 Aluminum hex for lightweight strength and features a hard anodized protective finish. Shims of 0.125”, 0.1875” and 0.250” are included in the kit. These bump steer kits have been race-tested and are proudly designed and manufactured in Philipsburg, PA, USA. Note: Spindle drilling is required to accept the 5/8″ adjustment bolt. Once drilled, the spindle cannot be returned to the factory taper. For the 1971-1972 GM A Body, the kit uses the factory inner tie rod. If replacement is required, use Proforged 104-10016 or an equivalent, (2) are required. Bump steer adjustment tools and theory can be found at longacreracing.com. - 6061-T6 Black Anodized Aluminum Adjuster Sleeve; 5/8-18 RH and 11/16-18 LH threads, 9.200" sleeve length - Works with factory inner tie rods and factory spindle - Race quality rod end, jam nuts and locking hardware - Laser cut spacers of 0.125", 0.1875" and 0.250" - Manufactured with pride in Philipsburg, PA, USA - Simply bolt-on. No spindle drilling required - Instructions with technical links included - 4140 CrMo stud construction - Race proven This Part Fits: Year Make Model Submodel 1972 Buick Skylark 350 1971-1972 Buick Skylark Base 1971-1972 Buick Skylark Custom 1971-1972 Chevrolet Chevelle Base 1971-1972 Chevrolet Chevelle Concours 1971-1972 Chevrolet Chevelle Concours Estate 1971-1972 Chevrolet Chevelle Greenbrier 1971-1972 Chevrolet Chevelle Heavy Chevy 1971-1972 Chevrolet Chevelle Malibu 1971-1972 Chevrolet Chevelle Nomad 1971-1972 Chevrolet Chevelle SS 1971-1972 Chevrolet El Camino Base 1971-1972 Chevrolet El Camino Custom 1971-1972 Chevrolet El Camino SS 1971-1972 Chevrolet Monte Carlo Base 1971 Oldsmobile 442 Base 1971-1972 Oldsmobile Cutlass Base 1972 Oldsmobile Cutlass Cruiser 1971-1972 Oldsmobile Cutlass S 1971-1972 Oldsmobile F85 Base 1971-1972 Pontiac GTO Base 1971 Pontiac GTO The Judge 1971-1972 Pontiac LeMans Base 1972 Pontiac LeMans Luxury 1971-1972 Pontiac LeMans Sport 1971 Pontiac LeMans T37 ## Details - **Price:** 263.61 CAD - **Vendor:** UMI Performance - **Type:** Bump Stops ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 263.61 CAD | In stock | ## Images - Photo - Primary --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/umi-performance-71-72-gm-a-body-bump-steer-adjuster-kit-1) > Updated: 2026-07-14