Wilwood Rear Dynapro-MC4 Brake Kit for Mazda MX-5 Miata NC (2006–2015), Black Calipers, 12.88-Inch GT Rotors, Hoses and Cables

The NC Miata rear package uses black Narrow Dynapro Radial service calipers alongside separate MC4 mechanical parking calipers. GT rotor rings attach to aluminum hats, and the supplied rear hoses and parking cables connect the new assemblies to the documented Mazda layout. Wilwood Engineering was founded by Bill Wood in 1977 and is based in Camarillo, California. The company designs and manufactures disc brake systems and components for motorsport, street-performance and specialized applications. Its range includes calipers, brake rotors, master cylinders, valves, fittings and brake lines, with each part selected to match the complete brake system.

Technical Details

• Manufacturer part number: 140-15034.
• Caliper color, finish and hydraulic inlet: Black; Black Powder Coat; inlet 1/8-27 NPT.
• Supplied pad compound: BP-10.
• Wheel bolt circle: 5 x 4.5 in; 5 x 114.3 mm.
• Hat wheel-stud clearance diameter: 0.520 in; 13.21 mm.
• Nominal minimum wheel diameter: 17 in; 431.8 mm; verify full spoke and barrel clearance using the kit drawing.
• Rotor mounting hat: aluminum; Black E-Coat; hat offset 0.810 in.
• Rear flange interface: OEM; axle/flange offset 0.00 in; 0 mm (distinct from rotor-hat offset).
• Mechanical package contents: no separate hubs included; mounting hardware included: Yes; spindles included: No.
• Hydraulic package contents: brake lines included: Yes; master cylinder included: No; booster included: No.
• Flexline specification: Line kit included (manufacturer): 220-15043 (12.00 in); Rear line-kit reference: 220-15043.
• Mechanical parking system: separate MC4 parking calipers; included cable kit 330-15044.
• Brake function and supply: Rear Brake Kits - Street Performance; Disc; Parking braking; rear axle; Sold as a kit.
• Rotor dimensions: outside diameter 12.88 in; 327.15 mm; thickness 0.81 in; 20.57 mm.
• Rotor construction and friction surface: Iron; Vented; GT Slotted; surface finish: Black Electro Coat.
• Service caliper assembly: Narrow Dynapro Radial; 4 pistons in each caliper; Stainless pistons; Billet Aluminium body; Radial mounting.

Fitment & Compatibility

Match the listed 2006–2015 NC MX-5 Miata application and verify the hub register and wheel envelope. DS1106 requires the rear dust shield to be cut to approximately 8.00 inches in diameter. Install the included model-specific hoses and cables; the original parking cables do not adapt directly.

Models represented in the detailed applications: MX-5 Miata. Each is subject to its individual year, trim and brake/suspension condition. Use the fitment table below to confirm year, model, trim and brake or suspension options.

With more than 20 years of parts experience, PMB Performance can help review the specified brake arrangement. Include the vehicle year and details of any hub, spindle or suspension changes.

Check the Installation instructions for the full assembly and wheel-clearance requirements.

Manufacturer Warning

Applicable to brake pads only. WARNING: This product can expose you to chemicals including Arsenic, Cadmium, Chromium (Hexavalent compounds), Lead, Nickel, Cobalt and Antimony Trioxide which are known to the State of California to cause cancer or other reproductive harm. For more information go to www.p65warnings.ca.gov.