Brake, Hydraulic, 12K, 12.25" × 5", AM, 7-Bolt, Right Side (23-407 / 23-409) — (77-1212H-2) tandem hanger kit especially on heavy-duty square jacks

especially on heavy-duty square jacks that see regular use on trailers

bolt-hole size

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1- New 10" Electric Backing Plate Left Hand Side

or commercial towing strength is needed

Brake, Hydraulic, 12K, 12.25" × 5", AM, 7-Bolt, Right Side (23-407 / 23-409) — (77-1212H-2) tandem hanger kit especially on heavy-duty square jacksHydraulic Brake Backing Plate 12. 25" 5", 7 Bolt, Right Side (12K Axles) Part Number: 77 1212H 2 This hydraulic brake backing plate is designed for 12,000 lb trailer axle applications using 12. 25" 5" drum brake assemblies. It is a right hand (curb side) backing plate and is supplied as a complete bolt on hydraulic brake assembly. Features Hydraulic drum brake backing plate 12. 25" diameter 5" wide brake shoe configuration 7 bolt mounting pattern