2- 2000# Trailer Axle Brake Backing Plate Mount Flange 1.64" size spindle axel (4-34-LOTOF2)

(Two) 2000 Pound Weld-On Brake Backing Plate Mounting Brackets Part Number - 4-34-LOTOF2 4 Bolt Flange Needed to Add Brakes To A Trailer.Must Be Welded OnBacking Plate Mounts to Bracket By 4 Bolts   Approximately 1-5/8" Center HoleBracket Measures 3-3/4" x 3-3/4Distance Between Holes (center to center) ABOUT 2-7/8"Most modern 7" and 10" Electric Drum brakes use the same standard 4 bolt square flange. (7" brakes are used on 2000# axles, 10" brakes are used on 3500# Axles)The 12"x 2" drum brakes use the Round 5 Bolt Flange  (Commonly used on 5200#, 6000# and 7000# axles).