Longacre Racing Products 52-79003 Features:

This simplified bump steer gauge design uses a single precision dial indicator to tell you directly the exact amount of bump steer within .001". No need to subtract one dial reading from another - less chance for error.

Most accurate, easiest and quickest way to measure your critical bump steer
Extended height design - check bump steer at ride height or on stands
Includes NEW 3/8" thick billet wheel plate with mounting holes for many 5 bolt patterns used on sport/compact cars (3-1/2" - 5"), 4 & 5 bolt patterns up to 1/2" (12 mm) wheel studs, adjustable stand and precision dial indicator that reads + & - .050” (1-1/4 mm) or more
Center hole is 2-3/4"
Special dial indicator. Shows + or – the amount of bump. Much easier to read.