This is our own custom "Max Angle" Stainless Steel Misalignment Spacer for 1" ID Uniballs, Made in the USA.
1" shank OD, 9/16" through-bolt hole, 3-1/16" total stack height, and carefully radiused design to achieve a steering angle of 32° at our knuckles. See Steering Angle and Steering Stops in our FAQ for more details.
These are used for the double-sheer upper Uniball connection of RCLT HD with 9/16" hardware.
Sold individually.
Four included with RCLT HD.