Griggs Racing GRP5_BUMPKIT - Griggs Bump Steer Kit 94-09 with Griggs K-Member
Bump steer is affected by Caster. Every caster change raises and lowers the tie rod relative to the ball joint which can adversely affect bump steers. Once caster is set, bump steer should be set for optimum braking and corner entry.
Proper bumpsteer provides stability to drag cars as they rise and fall during launch, during shifts, and at the far end at speed as the chassis settles down
Necessary when ever you lower your car or alter caster settings.
Bump steer is the racer's name for toe-change during suspension travel. You may not know it, but if you have lowered your car, you have a bump steer problem. Offset rack bushings may help, but adjusting bump steer is like adjusting ignition timing, it must be tuned for each car. The Griggs Racing bump steer kit makes it possible for you to tune the bump-steer out of any Mustang by positioning the steering linkage so that it is parallel to the control arm.
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