Pair of 12-1/4" x 5" 12K 16K Right Electric Backing Plate Trailer Brake Rockwell (4741-LR) Expedition or measuring the outer diameter

or measuring the outer diameter of the outer race

Mounting Style Weld-on installation to trailer tongue or drawbar plate

Replacement Cover Only

5 – 5200 to 7000 lb Axles

What This Means: This listing is for one 3500 lb axle beam kit with loose spring perches

Pair of 12-1/4" x 5" 12K 16K Right Electric Backing Plate Trailer Brake Rockwell (4741-LR) Expedition or measuring the outer diameterPair of Quality Rockwell 12 1 4 x 5" 12K 16K Brake Backing Plate Part Number: 4741 LR Complete Right Hand (Passenger's side) AND left hand brake assembly ready to bolt on. Shoe size 12 1 4" x 5" wide Shoes are self adjusting ,you will not have to manually adjust Fits 12 16K axles built by Quality Rockwell axles Bolts on with 5 bolts Simple 2 wire hook up Replaces Rockwell American 12K 16K 4741 R and 4741 L electric trailer brake Right hand and left