Wilwood’s rear disc/drum backing plate bracket for 12‑bolt Chevy axles is manufactured from high‑strength aluminum alloy and uses steel 5/16‑24 clinch nuts for caliper bracket or accessory mounting. It’s offered for common axle flanges and accepts one‑piece rotors from 11.00" to 12.19" or hat‑mount rotors from 12.88" to 14.00", providing a bracket solution sized for 12‑bolt Chevy disc/drum applications.
Wilwood Backing Plate for 12 Bolt Chevy Disc/Drum