Wilwood Backing Plate for 12 Bolt Chevy Disc/Drum

Wilwood’s Rear Disc / Drum Backing Plate brackets are manufactured from high strength aluminum alloy and use steel 5/16-24 clinch nuts for caliper bracket or accessory mounting. Available in most popular axle flanges and will work with 11.00” through 12.19” one piece rotors or 12.88” to 14.00” hat mount rotors.