"I'd rather build something too strong and have it weigh a little more than build it too light and have it break," Mike told us. Evidence of this philosophy is found in the way the upper uniball's lower misalignment spacer indexes into a pocket machined into the custom ESB upright. A single high-grade bolt fastens both upper and lower control arms onto the spindle. As you might guess, it was pretty tough finding a high-grade bolt that was also the length that ESB needed for this application, but the effort paid off in a near nuke-proof part.