Bob’s Machine Shop Transom Backing Plates

• A machined product made out of cold rolled plate.
• For all BIA boat pattern motors.
• A good addition with the installation of a jack plate to help spread the load of the plate/engine across more of the transom than just the bolts/washers.
• Includes upper and lower backing plates.
• Upper backing plate: 2-1/2” x 15-1/2” x 3/8”.
• Lower backing plate: 2-1/2” x 13” x 3/8”.