1964-1970 GM A-Body Bump Steer Adjuster Kit, Heavy Duty Race

1964 - 1970 Chevrolet Chevelle, Monte Carlo, Malibu, El Camino
1964 - 1970 Buick Skylark, Grand Sport, Special
1964 - 1970 Pontiac Lemans, GTO
1964 - 1970 Oldsmobile Cutlass, 442, F-85

UMI’s 4061-1 bump steer kit allows adjustment of the outer tie rod height which in turn can help reduce or eliminate toe change during wheel travel. This kit includes a heavy duty 5/8" bolt and washer kit with a wide adjustment range along with an anodized sleeve and jam nuts. The 4061-1 is recommended for ultra high performance use such as large tire road racing, auto-x and high speed drag racing. This race proven kit helps improve steering precision and feedback. Manufactured and raced with pride out of Philipsburg, PA – USA.


  • Spindle drilling is required to accept 5/8" adjustment bolt. After drilling, the spindle cannot be returned to factory taper.

  • Bump steer adjustment tools and theory can be found at


  • Heavy duty 5/8" bolt recommended for road race and auto-x use.

  • Black anodized aluminum hex tube.

  • Race quality rod ends.

  • Fits stock tie 5/8" tie rods. No tie rod modifications required.

  • Spacers (6 each 0.125”, 0.1875” and 0.250”) and locking nuts included.

  • Manufactured and raced with pride out of Philipsburg, PA - USA

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  • Part #: 4061-1
  • Manufactured by: UMI Performance Inc.
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