Caliper mount spacing: 5 1/4 inches center-to-center
Bolt hole diameter: 3/8 inches -24
Suspension/steering rod end holes: .510 inches
Inside width (top): 1.829 inches
Inside width (bottom): 1 7/8 inches
Width excluding caliper mount: 6 1/2 inches
Steering mount inside width: 1.846 inches

Overall Height: 11 1/2 inches
Overall Width: 9 1/2 inches
Sold: Pair