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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.
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 | 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 |
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