Wilwood Black Right MC4 Mechanical Parking Caliper with 4.75-Inch Mounting Plate, 1.10-Inch-wide Rotor

The black Wilwood MC4 is a right-hand mechanical parking brake caliper for a separate cable-operated parking system. This version accepts a 1.10-inch-wide rotor and uses a steel mounting plate with 4.75-inch centers. It is not a hydraulic service brake caliper.

Wilwood Engineering was founded by Bill Wood in 1977 and is based in Camarillo, California. It designs and manufactures disc brake systems and components for motorsport, street-performance and specialized applications, including calipers, rotors, master cylinders, valves, fittings and brake lines.

Technical Details

• Wilwood part number: 120-15484-BK
• Operation: Right-hand cable pull with a return spring and manual wear adjustment
• Caliper construction: Die-cast aluminum body and forged aluminum anvil; black powder coat
• Piston: One 1.19-inch aluminum piston with a dust boot
• Mounting plate: 4.75-inch centers
• Rotor dimensions: 1.10-inch nominal width; 0.99–1.10-inch width range; 11.00–14.00-inch diameter
• Cable connection: 0.310-inch barrel end; lever clockable in three positions
• Supplied: One parking caliper, parking pads and mounting plate

Fitment & Compatibility

Check the cable approach, available lever travel and mounting-plate position against the intended rotor. The cable must return fully without binding. Match the rotor and parking brake cable to this installation. This caliper has no hydraulic brake-hose connection.

PMB Performance has over 20 years of experience with brake parts and installation details. Send us the rotor dimensions, mounting arrangement and cable layout for help confirming the correct MC4 configuration.