12 1/4in X 3 3/8in Hydraulic Backing Plate$185.00 12 1/4in X 3 3/8in Hydraulic Backing Plate quantity Add to cart Category: Brakes & Hubs Description Description 12 1/4in X 3 3/8in Hydraulic Backing Plate 4 bolt mounting Left or right available 8000lb $185.00