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Wilwood 1.00 x 1.03 large caliper piston. This piston is a direct replacement component used when rebuilding Wilwood calipers or servicing piston wear, restoring hydraulic seal functionality and consistent pad retraction. It’s intended for caliper overhaul jobs where the specified piston size is required to maintain correct braking operation and fitment within the caliper bore.
Wilwood 1.00x1.03 LG Caliper Piston
