The Wilwood pad wear plate for NDL applications protects aluminum caliper bodies from pad "dig-in" and wear. Made from a stainless steel alloy for abrasion resistance, this plate is specified for Billet and Forged Narrow Dynalite 4-piston and Dynapro calipers that use pads .63" to .65" thick. It helps preserve caliper surfaces where pad edge contact can occur during braking service.
Wilwood Pad Wear Plate - NDL