Longacre Universal Bump Steer GaugeThe Longacre Bump Steer Gauge is the most accurate, quickest and easiest way to measure your critical bump steer. The compact and rigid Billet aluminum frame features a universal design fits most 5 bolt patterns (4 1 2" 5") and most wide 5 plus 4. The extended height design lets you check bump steer at ride height or on stands. This simplified design uses a single precision dial indicator to tell you directly the exact amount of bump steer within .