Shaft Size: 1.375" | Packing Size: 5/16" | Length under Flange: 5.0" | Flange Size W x L: 3.75" x 7.0" | BH C to C: 2.25" x 5.25" | Bolt Size: 1/2"Can..
Rectangular Bronze Rudder Port Backing Plate 00RPBP150Plate Dimensions 3.75" x 6.75"Bolt Hole C to C 2.25" x 5.25"Bolt Hole Size 1/2"Fits Rudder Port..