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The Wilwood Type III anodized left-side XRZ4R caliper carries 1.88" and 1.75" piston sizes and is specified for use with a 0.810" disc. As the left-side counterpart, it completes a side-specific brake pairing and provides the stated piston diameters and rotor-thickness compatibility required for installations matching that disc specification.
Wilwood Caliper Type III Ano Left XRZ4R 1.88in/1.75in Piston .810in Disc
