Brake Caliper Pad Wear Plate, Passenger Side, 1.250 in Rotor, Superlite FSLI Caliper. Caliper wear plates are used to prevent pad “dig-in” and wear on aluminum bodies. Manufactured form stainless steel alloy for maximum abrasion resistance. This specific part number is used for Billet and Forged Superlite Calipers using .80” thick pads.