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Wilwood rear disc/drum backing plate brackets are machined from high-strength aluminum alloy and use steel 5/16-24 clinch nuts for mounting calipers or accessories. Available for common axle flanges, they accommodate one-piece rotors from roughly 11.00" to 12.19" or hat-mount rotors from 12.88" to 14.00". These brackets provide a lightweight, corrosion-resistant mounting solution for custom rear disc conversions.
Wilwood Backing Plate for 12 Bolt Special Disc/Drum
