Clamp on caliper bracket for the Wilwood "Superlite" brake calipers. This bracket will come complete with hardware, ready to bolt on the car. The bracket itself is made of steel with threaded inserts for better thread engagement. The clamp fits 3 inch diameter axle tubes found on most cars. The inserts are tapped 7/16-20 to accept the bolts used with the Superlite calipers.